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--Captions by VITAC--
www.vitac.com
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CAPTIONS PAID FOR BY
DISCOVERY COMMUNICATIONS
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Narrator: FISHING REELS
DATE BACK TO 12th-CENTURY CHINA.
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IN THE BEGINNING,
THEY WERE VERY BASIC DEVICES
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USED ONLY
FOR STORING EXTRA LINE.
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00:01:02,551 --> 00:01:06,275
BUT BY THE 1800s,
CRAFTSMEN IN BRITAIN AND AMERICA
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00:01:06,379 --> 00:01:08,931
REINVENTED THE REEL
WHEN THEY GAVE IT A DRAG SYSTEM
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00:01:09,034 --> 00:01:11,517
FOR LANDING FEISTY FISH.
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THESE FLYCASTERS COULD HOOK
THE BIG ONE AT ANY MOMENT,
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00:01:20,137 --> 00:01:24,413
AND THAT'S WHEN A PRECISION
FISHING REEL WILL COME IN HANDY.
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TO MAKE A FLY-FISHING REEL,
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THEY START
WITH A SOLID ALUMINUM PUCK.
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00:01:32,241 --> 00:01:35,482
THE PUCK TURNS ON A LATHE
AS A COMPUTERIZED CUTTER
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00:01:35,586 --> 00:01:37,896
CONTOURS IT TO SHAPE
IT INTO A SPOOL.
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00:01:39,827 --> 00:01:42,793
A DIFFERENT TOOL
MACHINES A CENTER HOLE.
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THE FOCUS THEN MOVES
TO THE OTHER SIDE
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AS ANOTHER TOOL
COMPLETES THE SPOOL SHAPE.
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THE DIMENSIONS MUST BE EXACT
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IF THIS FISHING REEL
IS TO PERFORM FLAWLESSLY.
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THEY DRILL HOLES TO BOTH
REDUCE THE WEIGHT OF THE SPOOL
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00:02:02,689 --> 00:02:06,241
AND PROVIDE SOME VENTILATION
FOR WET FISHING LINE.
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00:02:06,344 --> 00:02:08,758
THEY CUT WINDOWS
INTO THE OTHER SIDE
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00:02:08,862 --> 00:02:13,103
FOR AN ATTRACTIVE LOOK
THAT FURTHER LIGHTENS THE REEL.
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00:02:13,206 --> 00:02:17,413
NEXT, ANOTHER ALUMINUM PUCK
IS TRANSFORMED INTO A FRAME
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00:02:17,517 --> 00:02:19,586
FOR THE SPOOL AND OTHER PARTS.
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THE FRAME GOES INTO A BATH OF
SOAPY WATER AND PLASTIC PELLETS,
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WHICH RUB THE PART CLEAN.
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THE FINAL TOUCH
IS A BLACK OXIDE FINISH.
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00:02:31,862 --> 00:02:35,241
THEY NOW TRANSFORM
THIS ALUMINUM BAR INTO FEET,
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00:02:35,344 --> 00:02:39,241
WHICH WILL BE USED TO MOUNT
THE REEL TO THE FISHING ROD.
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A LASER ENGRAVES THE COMPANY
NAME ONTO THESE ATTACHMENTS.
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IT ALSO DOES A BIT OF
CUSTOM ENGRAVING ON THE FRAME.
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A WORKER NOW INSERTS
A BRONZE BUSHING INTO THE CENTER
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OF THE SPOOL AND USES
HYDRAULIC FORCE TO ENTRENCH IT.
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00:03:05,034 --> 00:03:07,482
HE THEN POSITIONS
A STAINLESS STEEL BALL
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ON TOP OF THE BUSHING.
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HE ACTIVATES A PRESS
THAT DRIVES THE BALL THROUGH IT
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TO EXPAND THE BUSHING TO
THE CORRECT INTERNAL DIMENSION.
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ANOTHER WORKER
APPLIES A COUNTERWEIGHT
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TO ONE SIDE OF THE SPOOL.
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00:03:25,379 --> 00:03:26,482
THIS BIT OF STAINLESS STEEL
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WILL OFFSET THE WEIGHT
OF THE SPOOL HANDLE.
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SHE INSTALLS THE SPOOL'S
MAGNETIC LOCKING MECHANISM.
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THIS MOLDED POLYMER PART
HAS A TINY MAGNET INSIDE.
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SHE APPLIES
A SECOND MAGNET TO IT,
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FOLLOWED BY A RELEASE BUTTON.
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ONE FINAL MAGNET
AND AN ALUMINUM CAP,
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00:03:52,448 --> 00:03:54,689
AND THIS ASSEMBLY IS COMPLETE.
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00:03:54,793 --> 00:03:59,172
SHE NOW INSTALLS PART
OF THE DRAG-ENGAGEMENT SYSTEM.
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IT'S THIS SYSTEM THAT WILL
CREATE THE NECESSARY RESISTANCE
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ON THE FISHING LINE
FOR BATTLING A BIG FISH.
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SHE APPLIES ADHESIVE TO SCREWS
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AND THEN USES THEM TO ATTACH THE
FOOTING TO THE FLY-REEL FRAME,
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USING A SCREWDRIVER TO SET IT
TO A SPECIFIC TORQUE.
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00:04:23,206 --> 00:04:26,275
SHE THEN RESUMES
THE ASSEMBLY OF THE DRAG SYSTEM
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BY PLACING A RUBBER "O" RING
IN THE FRAME'S CENTER GROOVE.
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SHE INSTALLS
THE THRUST-BEARING RING,
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00:04:32,724 --> 00:04:34,758
WHICH CAN BE ROTATED
BY THE FLY-FISHER
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TO ADJUST THE DRAG SETTING.
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00:04:49,793 --> 00:04:54,344
AND IT'S NOW TIME TO ATTACH THE
SPOOL TO THE FISHING-REEL FRAME.
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00:04:54,448 --> 00:04:56,827
SHE TURNS IT TO CHECK
THE DRAG SETTING
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00:04:56,931 --> 00:04:59,931
AND ADJUSTS IT
TO ITS STARTING POINT.
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SHE SECURES THE SETTING
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BY INSERTING A PIN
INTO THE BEARING.
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THEN SHE REMOVES THE CENTER
LOCKING SCREW TEMPORARILY
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TO ASSEMBLE THE KNOB BASE
TO THE THRUST BEARING.
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SHE REINSTALLS THE SCREW
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AND COVERS THE ASSEMBLY
WITH THE DRAG KNOB.
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00:05:33,862 --> 00:05:36,931
SHE TURNS THE SPOOL
FOR A FINAL INSPECTION,
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00:05:37,034 --> 00:05:40,655
CONFIRMING THAT THIS FISHING
REEL OPERATES SMOOTHLY.
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00:05:42,758 --> 00:05:45,310
AND NOW IT'S READY
TO PUT A POSITIVE SPIN
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ON ANY FISHING EXPERIENCE.
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Narrator:
A FRESH COAT OF LATEX PAINT
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IS A SUREFIRE WAY
TO SPRUCE UP A HOME.
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LATEX IS A TERM
FOR ACRYLIC OR VINYL RESINS.
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00:06:10,103 --> 00:06:12,000
LATEX PAINT IS WATER-BASED,
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00:06:12,103 --> 00:06:15,172
SO IT HAS LESS ODOR
THAN ALKALINE PAINT.
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00:06:15,275 --> 00:06:17,827
IT ALSO CLEANS UP
WITHOUT ANY HARSH SOLVENTS.
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00:06:17,931 --> 00:06:21,344
ALL YOU NEED IS SOAP AND WATER.
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00:06:24,551 --> 00:06:27,931
THE PAINT FACTORY
PRODUCES AN UNCOLORED BASE.
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00:06:28,034 --> 00:06:29,620
THE STORE THEN TINTS THAT BASE
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00:06:29,724 --> 00:06:33,793
TO THE COLOR
ORDERED BY THE CUSTOMER.
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00:06:33,896 --> 00:06:38,448
LATEX PAINT CONTAINS WATER,
LATEX FOR ADHESION,
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00:06:38,551 --> 00:06:41,931
TITANIUM DIOXIDE,
CALCIUM CARBONATE,
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POTASSIUM,
ZINC FOR MILDEW RESISTANCE,
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AND WHATEVER ADDITIVES
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THE PARTICULAR
TYPE OF PAINT REQUIRES.
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FOR EXAMPLE, IF IT'S PAINT
DESIGNED FOR METAL,
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A RUST INHIBITOR.
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00:06:57,586 --> 00:07:02,034
THEY PUMP THE WATER
INTO A LARGE MIXING TANK.
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00:07:02,137 --> 00:07:05,379
THEN THEY ADD A THICKENING AGENT
AND STABILIZER
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TO PREVENT THE INGREDIENTS
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FROM SETTLING
TO THE BOTTOM OF THE TANK
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AND TO THE BOTTOM OF THE CAN
ONCE THE PAINT IS PACKAGED.
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A VACUUM DUCT
SUCKS UP THE WASTE.
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ONE AT A TIME,
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ALL THE INGREDIENTS
EXCEPT THE LATEX GO IN.
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THERE'S A SPECIFIC MIXING TIME
AFTER EACH INGREDIENT
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BECAUSE PROPER BLENDING
IS CRITICAL FOR QUALITY.
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00:07:33,379 --> 00:07:35,275
NOW THEY PUMP
THE TANK'S CONTENTS
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INTO ANOTHER MIXING TANK
THAT CONTAINS THE LATEX.
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00:07:41,103 --> 00:07:43,862
AFTER FOUR TO SIX HOURS
OF BLENDING,
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00:07:43,965 --> 00:07:48,862
THE INDUSTRIAL-SIZED BATCH
OF PAINT BASE IS FINALLY READY.
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00:07:48,965 --> 00:07:52,000
THE FACTORY SUBJECTS
A SAMPLE FROM EVERY BATCH
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00:07:52,103 --> 00:07:55,172
TO EXTENSIVE
QUALITY-CONTROL TESTING.
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THIS VISCOMETER MEASURES
THE THICKNESS OF THE PAINT.
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00:08:03,241 --> 00:08:05,965
THIS TEST ASSESSES
HOW WELL THE DRY INGREDIENTS
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HAVE DISPERSED WITHIN THE MIX.
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THIS TELLS THEM WHETHER
THE MIX IS BLENDED WELL ENOUGH
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00:08:11,758 --> 00:08:15,379
TO MOVE INTO THE SECOND TANK
CONTAINING THE LATEX.
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TECHNICIANS
ALSO CONDUCT COLOR TESTS,
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00:08:19,827 --> 00:08:23,379
ADDING RECIPES OF LIQUID
COLORANTS TO A GALLON SAMPLE.
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00:08:23,482 --> 00:08:25,206
THIS IS TO ENSURE THE SHADE
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COMES OUT EXACTLY
THE WAY IT'S SUPPOSED TO.
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TO CHECK
IF THE PAINT COVERS WELL,
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THEY BRUSH IT ONTO TEST PAPER.
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THE STRIPES PROVIDE A CONTRAST
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SO THAT ANY DEFECTS
IN THE PAINT,
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00:08:43,137 --> 00:08:47,034
SUCH AS FOAM OR GRIT, WILL SHOW.
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00:08:47,137 --> 00:08:49,827
THIS TEST EVALUATES
TINT STRENGTH.
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ONCE THE PAINT SAMPLE DRIES,
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THEY ANALYZE
ITS COLOR PROPERTIES
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00:08:58,931 --> 00:09:02,103
WITH A MACHINE
CALLED A SPECTROPHOTOMETER.
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ONCE THE BATCH
PASSES INSPECTION,
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IT PROCEEDS TO PACKAGING.
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LATEX PAINT CONTAINS ABOUT
60% WATER, WHICH CORRODES METAL,
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SO THE STEEL CANS ARE LINED
WITH AN ANTI-RUST COATING.
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THE CANS RUN OVER
A GLUE APPLICATOR,
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THEN OVER A LABEL,
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WHICH INSTANTLY
STICKS TO THE ADHESIVE.
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THE NEXT STOP
IS A FILLING MACHINE.
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EACH CAN SITS ON A SCALE
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THAT'S POSITIONED
UNDER A DISPENSING NOZZLE.
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ONCE THE SCALE DETECTS
THE CORRECT NET WEIGHT,
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00:09:49,724 --> 00:09:51,241
IT TRIGGERS THE NOZZLE TO STOP.
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FROM THE FILLING MACHINE
TO A LID DISPENSER
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THAT DROPS A COVER
ONTO EACH CAN.
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THEN IT'S ON TO
WHAT'S CALLED A LID PRESS.
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AS EACH CAN PASSES UNDERNEATH,
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A ROW OF CYLINDERS
GRADUALLY PRESSES IN THE LID.
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THE NEXT MACHINE,
CALLED A BALER,
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ATTACHES A CURVED HANDLE
MADE OF STEEL WIRE.
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IT LOCKS THE HANDLE ENDS
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INTO METAL DISKS
ON BOTH SIDES OF THE CAN.
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THE FACTORY VARIES
ITS FORMULATIONS
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TO PRODUCE PAINT IN LUSTERS
RANGING FROM FLAT TO HIGH GLOSS
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AND FOR INTERIOR
AND EXTERIOR USE,
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MAKING SURE IT'S GOT EVERY
POSSIBLE APPLICATION COVERED.
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Narrator:
LOOMS FOR HANDWEAVING CLOTH
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HAVE BECOME INCREASINGLY
SOPHISTICATED OVER TIME.
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BUT THE BASIC CONCEPT
STILL REMAINS THE SAME --
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WEAVING HORIZONTAL THREADS,
CALLED WEFT THREADS,
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THROUGH VERTICAL THREADS,
CALLED WARP THREADS,
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TO CREATE THE PATTERNS
IN THE CLOTH.
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THE LOOM LIFTS
SELECTED WARP THREADS.
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THE WEAVER PASSES THE WEFT
THREAD BETWEEN THE WARP THREADS,
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THEN USES A BEATER
TO PACK THE WEFT TIGHTLY.
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00:11:44,103 --> 00:11:46,689
THEY CONSTRUCT
THE LOOM'S FRAME OUT OF ASH,
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00:11:46,793 --> 00:11:49,482
WHICH IS STRONG ENOUGH
TO WITHSTAND THE PULLING
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00:11:49,586 --> 00:11:51,724
OF UP TO THOUSANDS OF THREADS.
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WORKERS SUBMERGE
THE FRAME PIECES IN MINERAL OIL
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TO PREVENT THE WOOD
FROM DRYING OUT.
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THEY ASSEMBLE THE FRAME PIECES
WITH HEAVY-DUTY NUTS AND BOLTS,
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00:12:06,413 --> 00:12:09,482
THEN MOUNT HIGH-STRENGTH
PLASTIC BRACKETS
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00:12:09,586 --> 00:12:11,620
FOR ATTACHING
THE VARIOUS COMPONENTS,
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SUCH AS THE CLOTH BEAM
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THAT GRABS AND MOVES
THE FINISHED CLOTH.
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00:12:17,931 --> 00:12:21,482
THEY WRAP SANDPAPER AROUND
THE BEAM'S ADHESIVE SURFACE
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TO GRAB THE CLOTH
WITHOUT DAMAGING IT.
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00:12:28,586 --> 00:12:32,137
ELSEWHERE,
WORKERS MAKE THE LOOM'S CABLES
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00:12:32,241 --> 00:12:34,655
OUT OF HIGH-STRENGTH
STAINLESS STEEL.
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THESE CABLES MANEUVER
HARNESSES THAT LIFT
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00:12:37,862 --> 00:12:39,379
AND LOWER THE WARP THREADS.
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00:12:39,482 --> 00:12:42,379
AFTER CUTTING
EACH CABLE TO LENGTH,
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00:12:42,482 --> 00:12:45,379
SHE FORMS A LOOP
THROUGH A CABLE CRIMP.
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00:12:45,482 --> 00:12:49,793
THEN SHE LOCKS THE LOOP WITH
THIS HEAVY-DUTY CRIMPING TOOL.
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00:12:53,793 --> 00:12:55,896
ON ONE OF THE FRAME PIECES,
THEY MOUNT A METAL PLATE
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BEARING THE LOOM'S MODEL
AND SERIAL NUMBERS.
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00:13:00,034 --> 00:13:03,689
THEY ASSEMBLE THE PULLEY SYSTEM
ON WHICH THE HARNESS CABLES RUN.
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00:13:03,793 --> 00:13:07,689
THEY THREAD THE PLASTIC PULLEYS
ONTO A STEEL AXLE
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00:13:07,793 --> 00:13:13,000
AND POSITION THE AXLE WITH
STEEL DISKS CALLED STOP COLLARS.
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00:13:18,724 --> 00:13:20,758
A SPRING LEVER
HELPS EACH HARNESS
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00:13:20,862 --> 00:13:23,793
LIFT ITS RESPECTIVE WARP THREAD.
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00:13:23,896 --> 00:13:26,586
AFTER HAMMERING A PIN
INTO EACH LEVER,
185
00:13:26,689 --> 00:13:30,551
THEY HOOK A WIRE TO THE PIN,
186
00:13:30,655 --> 00:13:33,965
THEN SQUEEZE THE WIRE CLOSED
SO THAT IT CAN'T UNHOOK.
187
00:13:37,172 --> 00:13:41,206
THEY ATTACH A CHAIN TO AN EYELET
ON ONE SIDE OF THE SPRING LEVER.
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00:13:41,310 --> 00:13:43,551
SHORTENING
OR LENGTHENING THIS CHAIN
189
00:13:43,655 --> 00:13:46,103
ADJUSTS THE TENSION
OF THE HARNESS.
190
00:13:47,931 --> 00:13:51,689
LIKE THE PULLEYS,
THE SPRING LEVERS
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00:13:51,793 --> 00:13:55,241
GO ONTO AN AXLE
ACROSS THE LOOM'S FRAME.
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00:13:58,620 --> 00:14:01,034
ANOTHER LOOM COMPONENT,
CALLED THE WARP BEAM,
193
00:14:01,137 --> 00:14:05,620
HAS HOLES WHICH HOLD METAL HOOPS
THAT GUIDE THE WARP THREADS.
194
00:14:05,724 --> 00:14:07,827
A BRAKE DRUM ON THE SIDE
195
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PROVIDES COUNTERFORCE
TO KEEP THE THREADS TAUT.
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00:14:12,241 --> 00:14:13,793
AT THE FRONT OF THE LOOM,
197
00:14:13,896 --> 00:14:16,310
THEY INSTALL FOOT PEDALS
CALLED TREADLES.
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00:14:16,413 --> 00:14:20,482
THE WEAVER USES THEM TO LIFT
AND LOWER THE WARP THREADS.
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00:14:20,586 --> 00:14:22,827
NEXT COMES THE BEATER,
200
00:14:22,931 --> 00:14:27,000
WHICH THE WEAVER USES TO PACK
THE WEFT THREAD INTO THE FABRIC.
201
00:14:27,103 --> 00:14:32,000
THE PULLEY SYSTEM FOR
THE HARNESS CABLES GOES ON TOP.
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00:14:32,103 --> 00:14:36,103
THIS COMPUTER-CONTROLLED DEVICE,
CALLED A DOBBY HEAD,
203
00:14:36,206 --> 00:14:37,793
LIFTS AND LOWERS
THE WARP THREADS
204
00:14:37,896 --> 00:14:40,206
ACCORDING TO THE PROGRAMMED
WEAVING PATTERN.
205
00:14:40,310 --> 00:14:44,551
EACH HARNESS CABLE
HOOKS ONTO THE DOBBY HEAD,
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00:14:44,655 --> 00:14:46,862
GOES AROUND ONE OF THE PULLEYS,
207
00:14:46,965 --> 00:14:50,103
AND ATTACHES
TO A HOOK ON THE HARNESS.
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00:14:55,448 --> 00:14:59,344
THE FACTORY CHECKS
EVERY DOBBY HEAD ON A TEST LOOM
209
00:14:59,448 --> 00:15:03,034
TO ENSURE THE DEVICE OUTPUTS THE
PROGRAMMED PATTERNS CORRECTLY.
210
00:15:10,034 --> 00:15:12,931
NEXT, WORKERS
INSTALL THE SPRING LEVERS
211
00:15:13,034 --> 00:15:16,275
THAT HELP THE HARNESS
LIFT THE WARP THREADS.
212
00:15:16,379 --> 00:15:20,103
EACH LEVER HOOKS ONTO A SPRING,
WHICH ATTACHES TO A CHAIN,
213
00:15:20,206 --> 00:15:23,000
WHICH CONNECTS TO A HARNESS.
214
00:15:26,172 --> 00:15:31,758
THEY INSTALL THE WARP BEAM
AT THE BACK OF THE LOOM.
215
00:15:31,862 --> 00:15:35,068
THE WEAVER INSTALLS THE HOOPS
AND WARP THREADS
216
00:15:35,172 --> 00:15:36,413
ON THE WARP BEAM.
217
00:15:36,517 --> 00:15:38,103
AS THE LOOM WEAVES,
218
00:15:38,206 --> 00:15:42,068
THE CLOTH BEAM GENTLY MOVES
THE EMERGING FABRIC FORWARD.
219
00:15:42,172 --> 00:15:43,241
THE WEFT THREAD
220
00:15:43,344 --> 00:15:46,413
IS WRAPPED AROUND A BOBBIN
CALLED A SHUTTLE.
221
00:15:46,517 --> 00:15:49,896
THIS PATTERN REQUIRES
A TWO-WEFT-THREAD TECHNIQUE
222
00:15:50,000 --> 00:15:51,413
THAT USES A SECOND SHUTTLE
223
00:15:51,517 --> 00:15:55,103
SUSPENDED
IN FRONT OF THE WEAVER.
224
00:15:55,206 --> 00:15:59,172
THE LOOM KEEPS THE THREADS
EVENLY TAUT,
225
00:15:59,275 --> 00:16:02,241
PRODUCING A CONSISTENT
AND UNIFORM WEAVE --
226
00:16:02,344 --> 00:16:06,310
THE HALLMARKS OF A BEAUTIFUL,
QUALITY CLOTH.
227
00:16:17,931 --> 00:16:20,172
Narrator:
UNTIL THE MID-19th CENTURY,
228
00:16:20,275 --> 00:16:23,000
MOTHER NATURE
WAS THE ONLY PRODUCER OF ICE,
229
00:16:23,103 --> 00:16:26,517
AND THE IDEA OF MAN-MADE ICE
SEEMED PREPOSTEROUS.
230
00:16:26,620 --> 00:16:28,172
IT WAS A FLORIDA DOCTOR WHO,
231
00:16:28,275 --> 00:16:30,344
IN NEED OF ICE TO COOL
FEVERISH PATIENTS,
232
00:16:30,448 --> 00:16:32,000
INVENTED THE ICE MACHINE.
233
00:16:32,103 --> 00:16:34,827
THE TECHNOLOGY
TOOK A FEW YEARS TO REFINE,
234
00:16:34,931 --> 00:16:37,551
AND THEN
THEY WERE READY TO CHILL.
235
00:16:40,896 --> 00:16:44,103
TODAY'S COMMERCIAL ICE MAKERS
CHURN OUT ICE ON DEMAND,
236
00:16:44,206 --> 00:16:46,137
ALLOWING RESTAURANTS
AND OTHER BUSINESSES
237
00:16:46,241 --> 00:16:50,482
TO KEEP THINGS COOL
AT ALL TIMES.
238
00:16:50,586 --> 00:16:54,931
TO MAKE ONE, MACHINERY FOLDS THE
EDGES OF STAINLESS-STEEL SHEETS
239
00:16:55,034 --> 00:16:57,413
SO THEY CAN BE ASSEMBLED
INTO THE ICEMAKER FRAME
240
00:16:57,517 --> 00:16:59,827
AND EXTERIOR PANELS.
241
00:17:01,931 --> 00:17:04,965
MEANWHILE,
COPPER UNCOILS OVER A ROLLER,
242
00:17:05,068 --> 00:17:08,034
WHICH REMOVES THE CURL
FROM THE METAL.
243
00:17:08,137 --> 00:17:13,206
A MACHINE SPIKED WITH BLADES
THEN PUNCHES THE COPPER.
244
00:17:13,310 --> 00:17:17,379
IN ONE ACTION, IT CUTS
NUMEROUS SLITS IN THE STRIP
245
00:17:17,482 --> 00:17:20,448
AND SLICES IT
TO THE CORRECT LENGTH.
246
00:17:23,068 --> 00:17:27,931
THE NOTCHED STRIPS ARE NOW READY
TO BE ASSEMBLED INTO A GRID.
247
00:17:28,034 --> 00:17:32,724
THIS GRID IS PART
OF THE EVAPORATOR.
248
00:17:32,827 --> 00:17:36,551
IT'S HERE THE LIQUID REFRIGERANT
WILL EVAPORATE
249
00:17:36,655 --> 00:17:40,620
AS IT PULLS HEAT FROM THE WATER
TO FREEZE IT INTO ICE CUBES.
250
00:17:45,517 --> 00:17:48,896
THIS COPPER TUBING
IS CENTRAL TO THAT PROCESS.
251
00:17:49,000 --> 00:17:51,068
AN AUTOMATED ARM BENDS IT
252
00:17:51,172 --> 00:17:54,241
INTO A CONFIGURATION
CALLED THE SERPENTINE,
253
00:17:54,344 --> 00:17:57,172
PRODUCING A COIL THAT WILL FIT
ON THE BACK WITH THE EVAPORATOR.
254
00:17:57,275 --> 00:18:01,965
AS LIQUID REFRIGERANT
MOVES THROUGH IT,
255
00:18:02,068 --> 00:18:05,137
IT WILL DRAW HEAT
OUT OF THE WATER.
256
00:18:05,241 --> 00:18:07,655
THIS MACHINE
FLATTENS THE TUBING,
257
00:18:07,758 --> 00:18:10,793
GIVING IT GREATER SURFACE
CONTACT WITH THE EVAPORATOR
258
00:18:10,896 --> 00:18:13,724
TO FACILITATE HEAT TRANSFER.
259
00:18:15,758 --> 00:18:18,482
THEN IT'S INTO
A BIG WASHING MACHINE
260
00:18:18,586 --> 00:18:22,379
TO REMOVE ANY OILS
OR OXIDES ON THE PARTS.
261
00:18:24,931 --> 00:18:27,965
A WORKER NOW APPLIES STRIPS
OF TIN SILVER SOLDER
262
00:18:28,068 --> 00:18:30,827
TO THE EVAPORATOR'S BACK PLATE.
263
00:18:30,931 --> 00:18:35,172
THIS ACID SOLUTION
WILL ACT AS A BONDING AGENT.
264
00:18:35,275 --> 00:18:38,206
HE THEN PLACES THE EVAPORATOR,
SOLDER SIDE DOWN,
265
00:18:38,310 --> 00:18:42,172
ON THE SERPENTINE TUBING
AND LOCKS THE ASSEMBLED PARTS
266
00:18:42,275 --> 00:18:43,758
IN AN IRON RIG.
267
00:18:48,655 --> 00:18:52,586
HE HOISTS THE RIG INTO AN OVEN
TO MELT THE SOLDER STRIPS
268
00:18:52,689 --> 00:18:54,241
BETWEEN THE BACK PLATE
AND TUBING,
269
00:18:54,344 --> 00:18:57,000
FUSING THE PARTS TOGETHER.
270
00:18:59,793 --> 00:19:02,413
THEN IT'S INTO
AN ULTRASONIC BATH,
271
00:19:02,517 --> 00:19:04,724
WHERE HIGH-FREQUENCY SOUND WAVES
272
00:19:04,827 --> 00:19:07,896
CLEAN OFF
LINGERING CONTAMINANTS.
273
00:19:08,000 --> 00:19:11,413
AN INSPECTOR NOW
EXAMINES THE EVAPORATOR
274
00:19:11,517 --> 00:19:15,931
TO CONFIRM THAT THE PARTS
HAVE BEEN SOLIDLY FUSED.
275
00:19:16,034 --> 00:19:19,206
NEXT, HE INSTALLS PIPES
ON AN ICEMAKER'S SIDE PANEL.
276
00:19:19,310 --> 00:19:24,172
THESE ARE THE LINES THAT SUPPLY
REFRIGERANT TO THE MACHINE.
277
00:19:24,275 --> 00:19:27,862
HE TURNS THE ASSEMBLY AROUND
AND REMOVES THE CAPS
278
00:19:27,965 --> 00:19:32,689
ON THE COMPRESSOR TO CONNECT IT
TO A NETWORK OF PIPES.
279
00:19:32,793 --> 00:19:35,862
THE COMPRESSOR WILL FORCE
REFRIGERANT THROUGH THESE PIPES
280
00:19:35,965 --> 00:19:38,655
IN A CONTINUOUS CYCLE
OF HEATING AND COOLING
281
00:19:38,758 --> 00:19:40,620
TO EVENTUALLY PRODUCE ICE.
282
00:19:45,275 --> 00:19:49,586
HE BRAZES THE JOINTS
TO SEAL THE CONNECTIONS.
283
00:19:53,275 --> 00:19:56,517
HE ATTACHES A FAN
TO ANOTHER SIDE PANEL.
284
00:19:56,620 --> 00:20:00,689
IT WILL BLOW COOL AIR ONTO THE
RADIATOR TO COOL THE REFRIGERANT
285
00:20:00,793 --> 00:20:03,586
AND HELP CONVERT IT
BACK INTO A LIQUID.
286
00:20:06,034 --> 00:20:09,241
NOW HE PUMPS THE REFRIGERANT
INTO THE SYSTEM AND MEASURES
287
00:20:09,344 --> 00:20:13,413
THE FLOW TO ENSURE
IT RECEIVES A PRECISE AMOUNT.
288
00:20:13,517 --> 00:20:17,413
MEANWHILE, AT ANOTHER STATION,
THEY ASSEMBLE THE ICE BIN.
289
00:20:20,758 --> 00:20:24,000
IT'S TIME TO TEST THIS ICEMAKER.
290
00:20:24,103 --> 00:20:25,689
WATER FLOWS CONTINUOUSLY
291
00:20:25,793 --> 00:20:28,034
OVER THE SURFACE
OF THE EVAPORATOR GRID
292
00:20:28,137 --> 00:20:32,241
AS THE TEMPERATURE INSIDE
THE CELLS DROPS BELOW FREEZING.
293
00:20:39,448 --> 00:20:42,344
IMPURITIES, LIKE MINERALS,
ARE WASHED AWAY
294
00:20:42,448 --> 00:20:44,344
AS THE WATER TURNS TO ICE,
295
00:20:44,448 --> 00:20:48,000
AND THE RESULT
IS CRYSTAL-CLEAR CUBES,
296
00:20:48,103 --> 00:20:52,068
ALMOST 6 1/2 POUNDS
IN JUST 15 MINUTES.
297
00:20:57,827 --> 00:21:03,000
FINALLY, THEY INSTALL
THE FRONT PANEL ON THE UNIT.
298
00:21:05,551 --> 00:21:07,482
THIS JOB IS DONE,
299
00:21:07,586 --> 00:21:10,137
AND IT'S TIME FOR
A LITTLE LIQUID REFRESHMENT...
300
00:21:10,241 --> 00:21:12,551
ON ICE, OF COURSE.
301
00:21:22,827 --> 00:21:25,724
IF YOU HAVE ANY COMMENTS
ABOUT THE SHOW,
302
00:21:25,827 --> 00:21:27,586
OR IF YOU'D LIKE TO SUGGEST
TOPICS FOR FUTURE SHOWS,
303
00:21:27,689 --> 00:21:30,965
DROP US A LINE AT...
24772
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