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>> Narrator: DIGITAL TECHNOLOGY
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IS REVOLUTIONIZING DENTAL
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TREATMENT.
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3-D CAMERAS AND COMPUTERS CAN
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NOW BE USED TO PRODUCE CROWNS
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AND OTHER PROSTHETIC
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RESTORATIONS ON SITE,
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ELIMINATING THE NEED TO SEND THE
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WORK TO AN OUTSIDE LAB.
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FOR THE PATIENT, IT MEANS ONE
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APPOINTMENT INSTEAD OF TWO AND
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LESS TIME IN THE DENTIST'S
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CHAIR.
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WITH COMPUTER-DRIVEN TOOLS,
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CUSTOM RESTORATIONS TAKE SHAPE
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IN A MATTER OF MINUTES WHILE THE
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PATIENT WAITS.
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AFTER DONNING DARK SAFETY
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GLASSES, THE PATIENT IS READY
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FOR HER CLOSE-UP.
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THE DENTAL ASSISTANT INSERTS A
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SMALL VIDEO CAMERA IN HER MOUTH
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TO EXAMINE THE PROBLEM AREA.
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SHE THEN INSERTS A STRIP OF
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CARBON PAPER BETWEEN THE
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PATIENT'S TEETH AND INSTRUCTS
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HER TO CLENCH HER TEETH.
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THIS LEAVES MARKINGS THAT
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INDICATE HER BITE PROFILE.
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THE DENTIST MEETS THE PATIENT
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AND REVIEWS HER CASE.
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THEY AGREE TO REPLACE THE SILVER
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FILLING WITH A CERAMIC INLAY
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THAT WILL STRENGTHEN THE TOOTH
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FOR MUCH LONGER THAN A REGULAR
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FILLING WOULD.
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HE ANESTHETIZES THE TOOTH AND
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THE GUMS THAT SURROUND IT.
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HE THEN STRETCHES A RUBBER DAM
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ACROSS HER MOUTH AND EXPOSES THE
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AREA TO BE TREATED THROUGH A
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SLIT.
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THIS KEEPS FILLING FRAGMENTS OUT
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OF THE PATIENT'S MOUTH AS HE
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DRILLS.
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HE SWITCHES TO A SMALLER DRILL
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BIT TO EXCAVATE THE REMAINING
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FILLING PARTICLES AND TO REMOVE
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DECAY.
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EACH CAVITY MUST BE COMPLETELY
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CLEAR BEFORE THE RESTORATIVE
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WORK CAN BEGIN.
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THE DENTAL ASSISTANT THEN SCRUBS
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AN ANTIMICROBIAL SOLUTION INTO
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THE TOOTH.
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THEN SHE BRUSHES AN ACIDIC
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CONDITIONER INTO THE CAVITY.
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THE DENTIST ACTIVATES THE
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CONDITIONER WITH A HALOGEN
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LIGHT.
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HE POINTS A HIGH-RESOLUTION
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L.E.D. CAMERA AT THE TOOTH AND
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DOWNLOADS THE IMAGE ONTO A
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COMPUTER, WHICH CONVERTS IT TO
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3-D.
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NEXT, THE DENTIST FILLS THE
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CAVITY WITH THE SILICONE PUTTY.
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WHEN HER TEETH COME TOGETHER,
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THEY LEAVE AN IMPRESSION IN THE
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PUTTY THAT INDICATES HER BITE
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PROFILE.
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ONCE THE PUTTY HARDENS, THE
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DENTIST AND HIS ASSISTANT CHIP
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OFF THE EXCESS.
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HE DOWNLOADS THE IMAGE OF THE
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BITE IMPRESSION AND THEN
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SUPERIMPOSES THE IMAGES AS HE
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DESIGNS A CUSTOM DENTAL INLAY
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DIGITALLY.
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THE DENTAL ASSISTANT SELECTS A
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GLASS CERAMIC BLOCK OF THE
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APPROPRIATE SIZE AND COLOR.
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SHE ANCHORS THE BLOCK IN A
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MILLING CHAMBER AND SHUTS THE
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LID.
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TWO COMPUTERIZED DRILLS NOW
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SCULPT THE BLOCK INTO THE DENTAL
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INLAY, GUIDED BY THE DIGITALLY
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PRODUCED DESIGN.
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THIS PROCESS TAKES LESS THAN 10
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MINUTES.
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THE DENTIST THEN PULLS THE
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CERAMIC INLAY FROM THE BASE.
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THIS LEAVES A SMALL NUB THAT HE
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THEN GRINDS AWAY.
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NEXT, USING RUBBER WHEELS AND
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DIAMOND-IMPREGNATED BRUSHES, HE
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POLISHES THE ENTIRE RESTORATION
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TO A HIGH GLOSS.
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HE CONDITIONS THE INLAY WITH
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HYDROFLUORIC ACID TO PREPARE IT
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FOR ADHESION TO THE TOOTH.
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HE DIPS THE FILLING IN WATER,
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AND THE HARDENED SOLUTION FLAKES
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OFF.
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HE THEN THOROUGHLY DRIES THE
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INLAY.
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NEXT, HE ADDS A DROP OF SILANE
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THAT WILL PROMOTE THE BONDING OF
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THE INLAY TO THE TOOTH.
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THE DENTIST INJECTS
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TOOTH-COLORED RESIN CEMENT INTO
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THE CAVITY.
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HE PRESSES THE DIGITALLY
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DESIGNED AND MILLED INLAY INTO
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THE CEMENT, THEN SCRAPES AWAY
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THE OVERFLOW.
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HALOGEN LIGHT ON THE DENTAL WORK
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HARDENS THE CEMENT.
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HE TAKES ANOTHER IMPRESSION OF
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THE PATIENT'S BITE TO CONFIRM
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THE NEW INLAY IS PERFECT.
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FINALLY, THE DENTIST POLISHES
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THE CONTOURS OF THE CERAMIC
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INLAY.
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AND IT'S TIME FOR THE REVEAL.
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HE USES THE CAMERA TO MAGNIFY
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THE NEW DENTAL WORK FOR THE
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PATIENT'S SCRUTINY.
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IT'S TAKEN JUST AN HOUR AND A
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QUARTER FOR HER CUSTOM
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RESTORATION TO BE DESIGNED,
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MILLED, AND INSTALLED, ALL
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THANKS TO DIGITAL DENTISTRY.
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>> Narrator: THE NAIL CLIPPER
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WAS INVENTED IN 1896 IN THE
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UNITED STATES, AND SOON IT WAS
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AT EVERYONE'S FINGERTIPS.
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BY 1902 IT, ADS MARKETED IT AS
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THE "GEM," AND IT WAS SOLD BY
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THE DOZEN FOR $2.
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AS AN ALTERNATIVE TO SCISSORS,
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IT WAS THE IDEA THAT JUST
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CLICKED.
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MORE THAN A CENTURY AFTER ITS
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INVENTION, THE NAIL CLIPPER IS
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STILL BEHIND MANY A WELL-GROOMED
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HAND.
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ITS POPULARITY NUMBERS IN THE
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MILLIONS, AND NO MANICURE SET
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WOULD BE COMPLETE WITHOUT ONE.
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PRODUCTION BEGINS WITH THIS
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ELABORATE DYE.
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IT'S ABOUT A YARD IN LENGTH AND
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HAS 12 DIFFERENT-SHAPED
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OPENINGS.
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HYDRAULIC MACHINERY REPEATEDLY
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FORCES A STEEL SHEET THROUGH THE
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VARIOUS OPENINGS AS THE SHEET
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MOVES FORWARD.
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WITH EACH STROKE, THE PARTS LOOK
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MORE LIKE NAIL-CLIPPER JAWS.
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THE CLIPPING EDGE STARTS OUT
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STRAIGHT AND BLUNT AND GRADUALLY
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BECOMES CONCAVE.
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THE MACHINERY ALSO CUTS AND
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SHAPES THE HOLES FOR ASSEMBLING
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THE NAIL CLIPPERS.
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IN JUST ONE MINUTE, A TOTAL OF
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80 STROKES GENERATE A DOZEN
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NAIL-CLIPPER JAWS.
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HERE, THE CLIPPER JAWS VIBRATE
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WITH ABRASIVE STONES AND ORGANIC
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ACID FOR UP TO 20 HOURS.
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THIS GENTLE POLISHING MAKES THE
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PARTS GLEAM, BUT DOESN'T RUIN
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THE EDGES AND CONTOURS.
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AT THE NEXT STATION, A WORKER
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ALIGNS PAIRS OF CLIPPER JAWS FOR
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ASSEMBLY.
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USING A MECHANICAL PRESS, HE
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DRIVES A RIVET INTO THE HOLE AT
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THE GRIPPING END OF THE JAWS.
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HE FLIPS THE ASSEMBLED CLIPPER
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JAWS OVER, INSERTS THE OTHER
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HALF OF THE RIVET, AND THEN
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PRESSES THE TWO TIGHTLY
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TOGETHER.
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THE RIVET LOCKS THE GRIPPING END
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OF THE NAIL CLIPPERS TOGETHER SO
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THAT THE TWO JAWS CAN'T BE
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TWISTED APART.
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NEXT, A WORKER SMOOTHES THE
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EDGES OF THE CLIPPER'S GRIPPING
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END AGAINST AN ABRASIVE WHEEL.
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THIS GRINDING EVENS OUT ANY
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IRREGULARITIES AND MAKES THE TWO
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CLIPPER JAWS APPEAR AS ONE AT
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THE GRIPPING END.
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ATTENTION NOW TURNS TO THE
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CUTTING END OF THE CLIPPERS.
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AFTER LOCKING THEM IN A DEVICE,
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A WORKER GRINDS THE CONCAVE
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EDGES UNTIL THEY MATCH UP.
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THESE NAIL-CLIPPER JAWS ARE NOW
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READY FOR THE LEVER, BUT THE
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LEVER ITSELF STILL NEEDS SOME
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WORK.
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USING A LITTLE PRESS, THEY MAKE
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A WHOLE AND AN INDENTATION
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BETWEEN ITS TWO PRONGS, ALLOWING
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THE LEVER TO SIT MORE
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COMFORTABLY ON THE CLIPPER.
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LEVERS ARE THEN FED ONE AT A
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TIME TO A SET OF DRILLS THAT
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CARVE LITTLE HOLES INTO THE
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PRONGS OF THE FORK.
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THE HOLES ARE JUST BIG ENOUGH
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FOR A PIN THAT'S 0.05 OF AN INCH
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IN DIAMETER.
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HERE'S THE VIEW FROM THE SIDE
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00:08:52,067 --> 00:08:56,400
BEFORE AND AFTER DRILLING.
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A WORKER NOW INSERTS A BOLT IN
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THE CUTTING END OF THE CLIPPER
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JAWS.
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THIS BOLT HAS A LITTLE HOLE IN
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THE END OF IT.
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HE PRESSES THE JAWS TOGETHER,
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AND IT'S NOW TIME TO ATTACH THE
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LEVER.
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HE INSERTS THE PIN IN THE HOLES
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IN THE LEVER AND THE BOLT.
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HE PINCHES THE PIN WITH PLIERS
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TO SECURE IT, AND THE LEVER NOW
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PIVOTS FREELY ON THE CUTTING
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JAWS.
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ALL THE PIECES OF THE NAIL
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CLIPPER HAVE COME TOGETHER, BUT
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THE ASSEMBLY PROCESSES HAVE LEFT
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OIL AND OTHER RESIDUES ON THIS
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TOOL.
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IT'S TIME FOR A CLEANING IN A
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SPECIAL TUB.
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SOUND WAVES KEEP THE WATER
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MOVING TO DISTRIBUTE THE SOAP
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AND SCRUB THEM CLEAN.
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ONCE THEY DRY, A WORKER USES A
248
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COMBINATION OF ACID AND POSITIVE
249
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ELECTRODES TO ETCH THE COMPANY
250
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NAME AND ITEM NUMBER ONTO THE
251
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NAIL CLIPPER.
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THE NEXT EMPLOYEE SANDS THE
253
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CUTTING EDGES TO SHARPEN THEM.
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IT TAKES SKILL AND PRACTICE TO
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GET THEM JUST RIGHT.
256
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HE HOLDS THE NAIL CLIPPER TO A
257
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LIGHT AND SCRUTINIZES THE
258
00:10:04,700 --> 00:10:06,200
ALIGNMENT OF THE JAWS AS HE
259
00:10:06,200 --> 00:10:12,033
OPENS AND CLOSES THEM.
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00:10:12,033 --> 00:10:13,800
THIS CARDBOARD TEST CONFIRMS
261
00:10:13,800 --> 00:10:15,733
THAT THESE NAIL CLIPPERS ARE UP
262
00:10:15,733 --> 00:10:17,900
TO THE JOB.
263
00:10:17,900 --> 00:10:19,967
FROM A BLUNT CLIPPER ON THE LEFT
264
00:10:19,967 --> 00:10:21,867
TO A REALLY SHARP TOOL ON THE
265
00:10:21,867 --> 00:10:23,367
RIGHT, WHAT A DIFFERENCE THE
266
00:10:23,367 --> 00:10:24,933
SANDING HAS MADE.
267
00:10:24,933 --> 00:10:26,633
THE LEVER SWIVELS FOR VARIOUS
268
00:10:26,633 --> 00:10:28,367
CLIPPING ANGLES AND THEN FOLDS
269
00:10:28,367 --> 00:10:30,533
DOWN NEATLY WHEN NOT IN USE.
270
00:10:30,533 --> 00:10:31,933
IT TAKES 11 PEOPLE TO
271
00:10:31,933 --> 00:10:33,500
MANUFACTURE 100 OF THESE
272
00:10:33,500 --> 00:10:35,500
CLIPPERS AN HOUR, AND THAT MEANS
273
00:10:35,500 --> 00:10:37,400
THEY'VE BEEN WORKING AT A VERY
274
00:10:37,400 --> 00:10:39,333
FAST CLIP.
275
00:10:50,367 --> 00:10:51,933
>> Narrator: LONG BEFORE THE
276
00:10:51,933 --> 00:10:53,600
INTERNET AND ELECTRONIC MEDIA,
277
00:10:53,600 --> 00:10:55,133
THE POSTER WAS AN IMPORTANT
278
00:10:55,133 --> 00:10:56,733
MEANS OF COMMUNICATION.
279
00:10:56,733 --> 00:10:58,800
THESE LITHOGRAPHED NOTICES WERE
280
00:10:58,800 --> 00:11:00,467
USED TO SELL EVERYTHING FROM
281
00:11:00,467 --> 00:11:02,967
SOAP TO POLITICAL PROPAGANDA.
282
00:11:02,967 --> 00:11:04,267
TODAY THEY'RE BEING
283
00:11:04,267 --> 00:11:05,900
PAINSTAKINGLY RESTORED TO
284
00:11:05,900 --> 00:11:07,633
PRESERVE BOTH THE ARTISTRY AND
285
00:11:07,633 --> 00:11:12,200
HISTORY BEHIND THEM.
286
00:11:12,200 --> 00:11:13,700
THESE ARE THE SIGNS OF A
287
00:11:13,700 --> 00:11:14,733
DIFFERENT TIME.
288
00:11:14,733 --> 00:11:16,300
AND DECADES LATER, THE BOLD
289
00:11:16,300 --> 00:11:17,733
ARTISTRY OF THESE POSTER
290
00:11:17,733 --> 00:11:18,767
LITHOGRAPHS IS STILL AN
291
00:11:18,767 --> 00:11:20,067
ATTENTION GRABBER.
292
00:11:20,067 --> 00:11:21,667
SOME VINTAGE POSTERS CAN BE
293
00:11:21,667 --> 00:11:23,067
WORTH TENS OF THOUSANDS OF
294
00:11:23,067 --> 00:11:24,667
DOLLARS, WHICH MAKES THEM WORTH
295
00:11:24,667 --> 00:11:28,833
RESTORING AND PRESERVING.
296
00:11:28,833 --> 00:11:30,867
POSTERS OFTEN BECOME BRITTLE AND
297
00:11:30,867 --> 00:11:32,633
BREAK ALONG THE FOLD LINES.
298
00:11:32,633 --> 00:11:34,333
SO FIRST, THIS RESTORATION
299
00:11:34,333 --> 00:11:36,300
SPECIALIST REASSEMBLES THE TORN
300
00:11:36,300 --> 00:11:38,167
SECTIONS AND EXAMINES THEM TO
301
00:11:38,167 --> 00:11:39,700
DETERMINE IF THIS POSTER CAN BE
302
00:11:39,700 --> 00:11:41,067
SAVED.
303
00:11:41,067 --> 00:11:43,200
HE DECIDES TO PROCEED.
304
00:11:43,200 --> 00:11:45,333
HE LOOSENS OLD TAPE WITH SOLVENT
305
00:11:45,333 --> 00:11:51,133
AND CAREFULLY PEELS IT AWAY.
306
00:11:51,133 --> 00:11:52,767
NEXT, HE SEPARATES THE POSTER
307
00:11:52,767 --> 00:11:54,567
SECTIONS WITH PLASTIC MESH -- TO
308
00:11:54,567 --> 00:11:55,600
KEEP THEM FROM STICKING
309
00:11:55,600 --> 00:12:00,067
TOGETHER -- IN A BLEACH BATH.
310
00:12:00,067 --> 00:12:01,800
THE BLEACH GENTLY REMOVES DIRT
311
00:12:01,800 --> 00:12:03,600
AND MILDEW TO REVEAL THE VINTAGE
312
00:12:03,600 --> 00:12:06,167
POSTER'S ORIGINAL COLORS.
313
00:12:06,167 --> 00:12:07,733
HE PRESSES OUT AIR POCKETS
314
00:12:07,733 --> 00:12:09,400
BETWEEN THE LAYERS TO MAXIMIZE
315
00:12:09,400 --> 00:12:12,967
ITS EFFECT.
316
00:12:12,967 --> 00:12:15,133
WHILE THE PIECES OF THIS POSTER
317
00:12:15,133 --> 00:12:16,900
DRY, HE PREPARES A PASTE OF
318
00:12:16,900 --> 00:12:18,467
WATER, WHEAT, AND CALCIUM.
319
00:12:18,467 --> 00:12:20,267
THE CALCIUM WILL COUNTERACT THE
320
00:12:20,267 --> 00:12:21,833
ACID IN THE VINTAGE PAPER,
321
00:12:21,833 --> 00:12:23,067
PREVENTING FURTHER
322
00:12:23,067 --> 00:12:25,200
DETERIORATION.
323
00:12:25,200 --> 00:12:27,067
HE ROLLS THE WHEAT PASTE ONTO A
324
00:12:27,067 --> 00:12:30,200
BIG SHEET OF ACID-FREE PAPER.
325
00:12:30,200 --> 00:12:31,767
AND HE SPREADS MORE PASTE ON A
326
00:12:31,767 --> 00:12:35,867
PIECE OF LINEN-TEXTURED COTTON.
327
00:12:35,867 --> 00:12:37,600
HE THEN PRESSES THE PAPER TO THE
328
00:12:37,600 --> 00:12:41,067
FABRIC, AND THEY ADHERE.
329
00:12:41,067 --> 00:12:42,700
HE NOW HAS A BIG PIECE OF
330
00:12:42,700 --> 00:12:44,500
FABRIC-BACKED PAPER.
331
00:12:44,500 --> 00:12:46,433
HE ROLLS OUT THE AIR BUBBLES AND
332
00:12:46,433 --> 00:12:48,067
EXCESS PASTE FOR A MORE EVEN
333
00:12:48,067 --> 00:12:49,800
SURFACE.
334
00:12:49,800 --> 00:12:51,567
HE NOW RECONSTRUCTS THE POSTER
335
00:12:51,567 --> 00:12:53,200
ON THE FABRIC-BACKED PAPER,
336
00:12:53,200 --> 00:12:54,567
WHICH IS NOW SATURATED WITH
337
00:12:54,567 --> 00:12:56,400
GLUE.
338
00:12:56,400 --> 00:12:58,400
HE WORKS CAREFULLY AND QUICKLY
339
00:12:58,400 --> 00:13:00,233
TO PUT THE PIECES TOGETHER
340
00:13:00,233 --> 00:13:01,467
BEFORE THE GLUE DRIES.
341
00:13:01,467 --> 00:13:03,467
ONE FALSE MOVE AND HE COULD MAKE
342
00:13:03,467 --> 00:13:05,267
A REAL MESS OF THINGS.
343
00:13:05,267 --> 00:13:07,067
BUT EXPERIENCE PAYS OFF.
344
00:13:07,067 --> 00:13:08,867
HE ALIGNS THE FOUR SECTIONS
345
00:13:08,867 --> 00:13:10,067
PERFECTLY.
346
00:13:10,067 --> 00:13:12,300
THE GLUE DRIES, GIVING THE
347
00:13:12,300 --> 00:13:15,067
VINTAGE POSTER A SOLID BACKING.
348
00:13:15,067 --> 00:13:16,700
HE FLIPS THROUGH A COLLECTION OF
349
00:13:16,700 --> 00:13:18,233
PAPER SCRAPS IN SEARCH OF ONE
350
00:13:18,233 --> 00:13:19,533
THAT'S SIMILAR IN TEXTURE AND
351
00:13:19,533 --> 00:13:24,567
THICKNESS TO THE POSTERS.
352
00:13:24,567 --> 00:13:26,133
HE'LL NOW USE IT TO REPAIR THE
353
00:13:26,133 --> 00:13:28,567
POSTER'S RIPPED CORNER.
354
00:13:28,567 --> 00:13:30,367
HE TRACES THE OUTLINE OF THE
355
00:13:30,367 --> 00:13:32,167
TEAR ONTO TRANSPARENT PAPER.
356
00:13:32,167 --> 00:13:34,267
HE CUTS THE SCRAP PAPER ALONG
357
00:13:34,267 --> 00:13:36,300
THE TRACED LINE, PRODUCING A NEW
358
00:13:36,300 --> 00:13:38,533
CORNER FOR THE POSTER -- ONE
359
00:13:38,533 --> 00:13:42,067
WITH EXACTLY THE RIGHT PROFILE.
360
00:13:42,067 --> 00:13:43,667
HE SANDS THE EDGE A BIT TO GIVE
361
00:13:43,667 --> 00:13:47,067
IT A MORE GRADUAL SLOPE.
362
00:13:47,067 --> 00:13:48,933
HE BRUSHES VEGETABLE-BASED GLUE
363
00:13:48,933 --> 00:13:52,700
ONTO THE CUTOUT.
364
00:13:52,700 --> 00:13:54,300
HE ALIGNS IT WITH THE TORN EDGE
365
00:13:54,300 --> 00:13:56,633
AND GLUES IT IN PLACE, THEN
366
00:13:56,633 --> 00:13:58,067
FLATTENS THE NEW CORNER TO MAKE
367
00:13:58,067 --> 00:13:59,367
IT LEVEL WITH THE REST OF THE
368
00:13:59,367 --> 00:14:01,300
POSTER.
369
00:14:01,300 --> 00:14:03,067
IT'S NOW TIME TO COMPLETE THE
370
00:14:03,067 --> 00:14:04,633
PICTURE BY REPAIRING THE TORN
371
00:14:04,633 --> 00:14:07,533
IMAGES.
372
00:14:07,533 --> 00:14:09,067
THE TRICKY PART IS MIXING THE
373
00:14:09,067 --> 00:14:10,200
PAINT TO MATCH THE POSTER'S
374
00:14:10,200 --> 00:14:14,500
VINTAGE COLORS.
375
00:14:14,500 --> 00:14:16,333
IT SOMETIMES TAKES A FEW TRIES
376
00:14:16,333 --> 00:14:17,900
TO GET IT RIGHT AND MAKE THE
377
00:14:17,900 --> 00:14:21,067
REPAIR BLEND IN.
378
00:14:21,067 --> 00:14:22,567
EVEN THE WHITE ON THE BORDER HAS
379
00:14:22,567 --> 00:14:25,833
TO MATCH.
380
00:14:25,833 --> 00:14:27,733
NO DETAIL IS OVERLOOKED AS HE
381
00:14:27,733 --> 00:14:29,533
RESTORES THE CORNER OF THIS
382
00:14:29,533 --> 00:14:30,933
POSTER TO ITS ORIGINAL
383
00:14:30,933 --> 00:14:36,600
CONDITION.
384
00:14:36,600 --> 00:14:38,333
HE TOUCHES UP THE REST OF THE
385
00:14:38,333 --> 00:14:40,233
ARTWORK WITH WATERCOLOR PENCILS,
386
00:14:40,233 --> 00:14:41,733
APPLYING COLOR HEAVILY OR
387
00:14:41,733 --> 00:14:46,400
LIGHTLY WHERE NEEDED.
388
00:14:46,400 --> 00:14:48,333
AND WITH A PRACTICED HAND, HE
389
00:14:48,333 --> 00:14:49,867
MAKES ALL THE FLAWS AND FOLD
390
00:14:49,867 --> 00:14:55,700
LINES DISAPPEAR.
391
00:14:55,700 --> 00:14:57,167
BY THE TIME HE'S DONE, THE
392
00:14:57,167 --> 00:14:58,633
VINTAGE POSTER WILL LOOK GOOD
393
00:14:58,633 --> 00:15:04,100
ENOUGH TO FRAME.
394
00:15:04,100 --> 00:15:05,833
WITH ALL THE DETAILS NOW
395
00:15:05,833 --> 00:15:07,967
COVERED, HE TRIMS THE POSTER ON
396
00:15:07,967 --> 00:15:09,833
ALL SIDES AND EXAMINES HIS WORK
397
00:15:09,833 --> 00:15:12,533
FOR IMPERFECTIONS.
398
00:15:12,533 --> 00:15:14,467
THE REPAIRS HAVE TO BOTH LOOK
399
00:15:14,467 --> 00:15:16,367
AND FEEL REAL.
400
00:15:24,567 --> 00:15:26,233
FROM A TATTERED RELIC OF THE
401
00:15:26,233 --> 00:15:28,133
PAST TO ONE THAT LOOKS FRESH OFF
402
00:15:28,133 --> 00:15:29,867
THE PRESS, A RESTORED VINTAGE
403
00:15:29,867 --> 00:15:31,367
POSTER IS AN IMPORTANT PIECE OF
404
00:15:31,367 --> 00:15:33,567
HISTORY, NOW PRESERVED FOR
405
00:15:33,567 --> 00:15:35,433
FUTURE GENERATIONS.
406
00:15:49,933 --> 00:15:51,533
>> Narrator: CANOLA OIL IS A
407
00:15:51,533 --> 00:15:53,167
COMMONLY USED TYPE OF COOKING
408
00:15:53,167 --> 00:15:53,600
OIL.
409
00:15:53,600 --> 00:15:55,267
IT'S DERIVED FROM THE SEED OF
410
00:15:55,267 --> 00:15:56,600
THE CANOLA PLANT, WHICH
411
00:15:56,600 --> 00:15:58,067
NORTH AMERICAN FARMERS HAVE BEEN
412
00:15:58,067 --> 00:16:00,400
GROWING FOR ABOUT 30 YEARS NOW.
413
00:16:00,400 --> 00:16:02,333
THE PLANT BLOOMS IN THE SUMMER,
414
00:16:02,333 --> 00:16:03,967
PRODUCING BRIGHT YELLOW FLOWERS.
415
00:16:03,967 --> 00:16:05,800
FARMERS HARVEST THE SEEDS FROM
416
00:16:05,800 --> 00:16:07,467
PODS WHICH FORM AFTER THOSE
417
00:16:07,467 --> 00:16:11,067
FLOWERS DIE OFF.
418
00:16:11,067 --> 00:16:12,633
CANOLA OIL IS ONE OF THE
419
00:16:12,633 --> 00:16:14,200
HEALTHIEST COOKING OILS.
420
00:16:14,200 --> 00:16:16,067
COMPARED TO OLIVE, SUNFLOWER,
421
00:16:16,067 --> 00:16:17,567
AND SOYBEAN OILS, IT HAS THE
422
00:16:17,567 --> 00:16:19,700
LOWEST LEVEL OF SATURATED FAT --
423
00:16:19,700 --> 00:16:23,700
7%.
424
00:16:23,700 --> 00:16:25,533
IT ALSO CONTAINS MORE HEALTHY
425
00:16:25,533 --> 00:16:28,067
OMEGA-3 FATTY ACIDS AND IS HIGH
426
00:16:28,067 --> 00:16:30,067
IN MONOUNSATURATED FAT, WHICH
427
00:16:30,067 --> 00:16:35,467
LOWERS CHOLESTEROL.
428
00:16:35,467 --> 00:16:37,267
WHEN THE CANOLA SEED ARRIVES AT
429
00:16:37,267 --> 00:16:38,800
THE PROCESSING FACTORY, IT
430
00:16:38,800 --> 00:16:40,467
CONTAINS FOREIGN MATERIAL --
431
00:16:40,467 --> 00:16:41,933
MOSTLY PLANT PIECES.
432
00:16:41,933 --> 00:16:43,900
SO THE FIRST STEP IS TO CLEAN
433
00:16:43,900 --> 00:16:45,933
THE SEEDS IN A VIBRATING SIEVE.
434
00:16:45,933 --> 00:16:47,567
THE SEEDS -- SMALLER THAN THE
435
00:16:47,567 --> 00:16:49,300
OPENINGS IN THE SIEVE'S MESH --
436
00:16:49,300 --> 00:16:50,567
FALL THROUGH TO A CONVEYOR
437
00:16:50,567 --> 00:16:52,367
BELOW.
438
00:16:52,367 --> 00:16:54,233
THE FOREIGN MATERIAL REMAINS ON
439
00:16:54,233 --> 00:16:54,733
TOP.
440
00:16:54,733 --> 00:16:56,733
A CONVEYOR MOVES IT TO A STORAGE
441
00:16:56,733 --> 00:16:58,400
BIN, WHERE IT'S COLLECTED FOR
442
00:16:58,400 --> 00:17:02,933
SALE AS CATTLE FEED.
443
00:17:02,933 --> 00:17:04,600
THE SEEDS PASS BY A MAGNET.
444
00:17:04,600 --> 00:17:06,400
IT REMOVES ANY METAL THAT MAY
445
00:17:06,400 --> 00:17:07,800
HAVE FALLEN IN DURING THE
446
00:17:07,800 --> 00:17:09,700
JOURNEY FROM FIELD TO FACTORY.
447
00:17:17,833 --> 00:17:19,867
NEXT, THE SEEDS ENTER A ROLLER
448
00:17:19,867 --> 00:17:20,400
MILL.
449
00:17:20,400 --> 00:17:22,133
THEY PASS BETWEEN TWO STEEL
450
00:17:22,133 --> 00:17:23,833
ROLLERS, WHICH CRUSH THEM INTO
451
00:17:23,833 --> 00:17:27,267
THIN FLAKES.
452
00:17:27,267 --> 00:17:29,467
A CONVEYOR THEN FEEDS THE FLAKES
453
00:17:29,467 --> 00:17:30,900
INTO A SCREW PRESS.
454
00:17:30,900 --> 00:17:32,600
IT HAS A LARGE REVOLVING
455
00:17:32,600 --> 00:17:34,467
SCREW-SHAPED SHAFT ENCLOSED
456
00:17:34,467 --> 00:17:36,367
WITHIN A SLOTTED CAGE.
457
00:17:36,367 --> 00:17:38,733
AS THE SHAFT TURNS, ITS THREADS
458
00:17:38,733 --> 00:17:40,500
SQUEEZE THE FLAKES WITH HIGH
459
00:17:40,500 --> 00:17:42,367
PRESSURE, FORCING OUT THE OIL,
460
00:17:42,367 --> 00:17:44,167
WHICH THEN DRAINS OUT THROUGH
461
00:17:44,167 --> 00:17:44,967
THE SLOTS.
462
00:17:44,967 --> 00:17:47,633
42% OF CANOLA SEED IS OIL.
463
00:17:47,633 --> 00:17:50,067
THIS GROUP PRESS EXTRACTS NEARLY
464
00:17:50,067 --> 00:17:51,167
3/4 OF THAT.
465
00:17:51,167 --> 00:17:53,067
THE REMAINDER IS STILL TRAPPED
466
00:17:53,067 --> 00:17:54,667
IN THE PRESSED FLAKES, NOW
467
00:17:54,667 --> 00:17:56,833
REFERRED TO AS CANOLA CAKE.
468
00:17:56,833 --> 00:17:58,833
THE CAKE EXITS THE OTHER END OF
469
00:17:58,833 --> 00:18:00,500
THE PRESS AND MOVES ON TO A
470
00:18:00,500 --> 00:18:04,567
SECOND EXTRACTION, THIS ONE A
471
00:18:04,567 --> 00:18:07,067
70-MINUTE WASH WITH A SOLVENT.
472
00:18:07,067 --> 00:18:09,533
THIS CHEMICAL-EXTRACTION PROCESS
473
00:18:09,533 --> 00:18:12,067
REMOVES ALL BUT A TRACE OF OIL.
474
00:18:12,067 --> 00:18:14,600
THE FACTORY THEN GRINDS THE CAKE
475
00:18:14,600 --> 00:18:17,067
INTO PROTEIN-RICH MEAL THAT IT
476
00:18:17,067 --> 00:18:18,800
SELLS AS ANIMAL FEED.
477
00:18:18,800 --> 00:18:21,100
THE EXTRACTED OIL, STORED IN
478
00:18:21,100 --> 00:18:23,300
LARGE TANKS, NOW ENTERS THE
479
00:18:23,300 --> 00:18:24,667
REFINING PHASE.
480
00:18:24,667 --> 00:18:26,800
FIRST, THEY WASH THE OIL FOR 20
481
00:18:26,800 --> 00:18:28,833
MINUTES WITH SODIUM HYDROXIDE.
482
00:18:28,833 --> 00:18:30,667
DURING THIS WASH CYCLE, THEY
483
00:18:30,667 --> 00:18:32,567
SPIN THE OIL AT HIGH SPEED SO
484
00:18:32,567 --> 00:18:34,333
THAT THE CENTRIFUGAL FORCE
485
00:18:34,333 --> 00:18:35,767
SEPARATES THE NATURAL
486
00:18:35,767 --> 00:18:37,700
IMPURITIES, WHICH THE FACTORY
487
00:18:37,700 --> 00:18:39,067
LATER SELLS TO SOAP
488
00:18:39,067 --> 00:18:41,467
MANUFACTURERS.
489
00:18:41,467 --> 00:18:43,600
AFTER THIS CLEANING PROCESS, THE
490
00:18:43,600 --> 00:18:45,633
CANOLA OIL IS VISIBLY CLEARER.
491
00:18:45,633 --> 00:18:47,433
HOWEVER, IT STILL CONTAINS
492
00:18:47,433 --> 00:18:49,400
NATURAL WAXES, WHICH MAKES IT
493
00:18:49,400 --> 00:18:50,467
LOOK CLOUDY.
494
00:18:50,467 --> 00:18:52,733
SO THE NEXT STEP IS TO COOL THE
495
00:18:52,733 --> 00:18:54,867
OIL TO 41 DEGREES FAHRENHEIT.
496
00:18:54,867 --> 00:18:56,967
THIS THICKENS THOSE WAXES SO
497
00:18:56,967 --> 00:18:59,167
THAT THEY CAN BE FILTERED OUT.
498
00:18:59,167 --> 00:19:01,300
THE WAXES DON'T GO TO WASTE,
499
00:19:01,300 --> 00:19:02,067
EITHER.
500
00:19:02,067 --> 00:19:04,100
THE FACTORY USES THEM TO PRODUCE
501
00:19:04,100 --> 00:19:12,233
VEGETABLE SHORTENING.
502
00:19:12,233 --> 00:19:13,700
IN THE FACTORY'S LAB,
503
00:19:13,700 --> 00:19:15,733
TECHNICIANS RECREATE PRODUCTION
504
00:19:15,733 --> 00:19:17,300
ON A SMALL SCALE TO ENSURE
505
00:19:17,300 --> 00:19:19,067
PERFORMANCE AND QUALITY.
506
00:19:19,067 --> 00:19:21,100
MEANWHILE, BACK IN THE FACTORY,
507
00:19:21,100 --> 00:19:23,200
AFTER WASHING AND FILTERING THE
508
00:19:23,200 --> 00:19:25,233
OIL, THEY BLEACH IT TO LIGHTEN
509
00:19:25,233 --> 00:19:26,767
THE COLOR, THEN USE A
510
00:19:26,767 --> 00:19:28,833
STEAM-INJECTION HEATING PROCESS
511
00:19:28,833 --> 00:19:30,800
TO REMOVE THE CANOLA ODOR.
512
00:19:30,800 --> 00:19:33,167
THE OIL IS NOW FULLY REFINED AND
513
00:19:33,167 --> 00:19:34,700
READY FOR BOTTLING.
514
00:19:34,700 --> 00:19:36,867
THE EQUIPMENT FIRST TURNS THE
515
00:19:36,867 --> 00:19:39,133
PLASTIC BOTTLES UPSIDE DOWN AND
516
00:19:39,133 --> 00:19:41,500
INJECTS FILTERED PRESSURIZED AIR
517
00:19:41,500 --> 00:19:43,433
TO BLOW OUT ANY DUST OR DIRT
518
00:19:43,433 --> 00:19:44,200
INSIDE.
519
00:19:44,200 --> 00:19:46,533
THEN IT TURNS THE BOTTLES RIGHT
520
00:19:46,533 --> 00:19:48,700
SIDE UP AGAIN TO POSITION FOR
521
00:19:48,700 --> 00:19:49,567
FILLING.
522
00:19:49,567 --> 00:19:51,600
JUST BEFORE A NOZZLE STARTS
523
00:19:51,600 --> 00:19:53,800
FILLING, IT APPLIES A VACUUM.
524
00:19:53,800 --> 00:19:55,067
IF THERE'S NO SUCTION,
525
00:19:55,067 --> 00:19:56,700
INDICATING A LEAK IN THE BOTTLE,
526
00:19:56,700 --> 00:19:58,400
THE MACHINE AUTOMATICALLY EJECTS
527
00:19:58,400 --> 00:20:03,667
THAT BOTTLE FROM THE LINE.
528
00:20:03,667 --> 00:20:05,633
EACH BOTTLING MACHINE IN THE
529
00:20:05,633 --> 00:20:07,867
FACTORY FILLS 22,000 BOTTLES PER
530
00:20:07,867 --> 00:20:08,467
HOUR.
531
00:20:08,467 --> 00:20:09,900
THE LABELING MACHINES WORK
532
00:20:09,900 --> 00:20:11,467
AT THE SAME SPEED.
533
00:20:11,633 --> 00:20:13,533
THEY SPREAD GLUE ON THE BACK OF
534
00:20:13,533 --> 00:20:15,167
EACH LABEL, THEN APPLY THE
535
00:20:15,167 --> 00:20:16,833
LABEL'S EDGE TO THE BOTTLE.
536
00:20:16,833 --> 00:20:18,667
THE BOTTLE SPINS, WRAPPING THE
537
00:20:18,667 --> 00:20:22,567
REST OF THE LABEL AROUND ITSELF.
538
00:20:22,567 --> 00:20:24,400
AS THE BOTTLES COME OFF THE
539
00:20:24,400 --> 00:20:26,500
LABELER, A ROBOT SEPARATES THEM
540
00:20:26,500 --> 00:20:27,800
INTO GROUPS OF 12.
541
00:20:27,800 --> 00:20:29,767
THEN IT PICKS UP AND DEPOSITS
542
00:20:29,767 --> 00:20:33,633
EACH DOZEN IN A SHIPPING BOX --
543
00:20:33,633 --> 00:20:35,900
FROM FIELD TO FACTORY TO YOUR
544
00:20:35,900 --> 00:20:38,033
PANTRY, WHERE, ONCE OPENED,
545
00:20:38,033 --> 00:20:40,233
CANOLA OIL HAS A SHELF LIFE OF
546
00:20:40,233 --> 00:20:42,133
ABOUT A YEAR.
547
00:20:51,767 --> 00:20:53,467
IF YOU HAVE ANY COMMENTS ABOUT
548
00:20:53,467 --> 00:20:55,100
THE SHOW OR IF YOU'D LIKE TO
549
00:20:55,100 --> 00:20:56,900
SUGGEST TOPICS FOR FUTURE SHOWS,
550
00:20:56,900 --> 00:20:58,800
DROP US A LINE AT...
551
00:21:01,067 --> 00:21:04,067
-- Captions by VITAC --
www.vitac.com
552
00:21:04,067 --> 00:21:07,500
CAPTIONS PAID FOR BY
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