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00:00:01,793 --> 00:00:04,793
--Captions by VITAC--
www.vitac.com
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00:00:04,793 --> 00:00:07,793
CAPTIONS PAID FOR BY
DISCOVERY COMMUNICATIONS
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00:00:51,931 --> 00:00:54,931
Narrator: IN A WORLD DOMINATED
BY HIGH-TECH GADGETRY,
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00:00:54,931 --> 00:00:58,793
THE LOW-TECH STRAIGHT RAZOR
STILL GETS A LOT OF FACE TIME.
5
00:00:58,793 --> 00:01:02,827
IT CAN BE REUSED ENDLESSLY,
AND IT HAS A TRADITIONAL APPEAL,
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00:01:02,827 --> 00:01:05,551
ONE THAT ACTUALLY DATES BACK
TO ANCIENT EGYPT,
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00:01:05,551 --> 00:01:09,103
WHEN THERE WERE STRAIGHT RAZORS
MADE OF SOLID GOLD.
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00:01:13,103 --> 00:01:15,793
SHAVING WITH AN UNGUARDED
SUPER-SHARP KNIFE
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00:01:15,793 --> 00:01:17,827
HAS ALWAYS BEEN
FOR THE TOUGH GUYS.
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00:01:17,827 --> 00:01:23,482
TO USE IT, A MAN NEEDS A STEADY
HAND AND STEELY CONCENTRATION.
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00:01:27,620 --> 00:01:30,965
PRODUCTION BEGINS WITH STEEL
CYLINDERS HEATED IN A FURNACE
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00:01:30,965 --> 00:01:33,862
UNTIL THEY'RE
SOFT AND MALLEABLE.
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00:01:33,862 --> 00:01:36,551
A FORGING HAMMER THEN POUNDS
THE CYLINDERS INTO DIES
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00:01:36,551 --> 00:01:39,586
TO SHAPE THEM.
15
00:01:39,586 --> 00:01:42,034
A PUNCH CUTTER TRIMS THE EDGES
16
00:01:42,034 --> 00:01:45,206
AND CUTS THE SHAPE
INTO TWO BLADES.
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00:01:45,206 --> 00:01:50,310
FROM A STEEL ROD TO A FLAT,
RAZOR SHAPE IN JUST A FEW STEPS.
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00:01:51,827 --> 00:01:56,172
THE STRAIGHT RAZORS ARE THEN FED
TO ANOTHER DIE ONE AT A TIME.
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00:01:56,172 --> 00:01:58,448
A WADE FORCES THE RAZOR
INTO THE DIE,
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00:01:58,448 --> 00:02:01,344
A PROCESS
WHICH BOTH IMPROVES THE SHAPE
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00:02:01,344 --> 00:02:05,103
AND CONDENSES THE METAL
TO STRENGTHEN IT.
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00:02:05,103 --> 00:02:08,344
NEXT, A WORKER DIPS A RACK
OF ABOUT 50 BLADES
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00:02:08,344 --> 00:02:11,137
IN GRAPHITE POWDER,
FOLLOWED BY MOLTEN LEAD.
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00:02:11,137 --> 00:02:14,137
THE LEAD ADDS MORE STRENGTH
TO THE STEEL.
25
00:02:14,137 --> 00:02:15,586
HE KNOCKS OFF THE LEAD,
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00:02:15,586 --> 00:02:19,172
WHICH SLIDES OFF EASILY BECAUSE
OF THE GRAPHITE UNDERCOAT.
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00:02:19,172 --> 00:02:20,931
THE RAZOR BLADES CATCH FIRE
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00:02:20,931 --> 00:02:24,896
AS HE IMMERSES THEM IN OIL
TO COOL THEM.
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00:02:24,896 --> 00:02:27,517
HE TRANSFERS THE BLADES
TO A SIEVE
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00:02:27,517 --> 00:02:29,517
AND TOSSES SAW DUST INTO IT.
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00:02:29,517 --> 00:02:32,931
THE SAW DUST SOAKS UP THE OIL
AND GRAPHITE RESIDUE.
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00:02:32,931 --> 00:02:36,241
THEN HE SHAKES THE SIEVE
TO SIFT IT OUT.
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00:02:36,241 --> 00:02:38,379
AFTER A HARDENING TREATMENT,
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00:02:38,379 --> 00:02:41,103
IT'S INTO AN OVEN
TO BAKE SLOWLY.
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00:02:41,103 --> 00:02:44,827
THIS GETS RID OF BRITTLENESS
AND RELIEVES INTERNAL STRESSES.
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00:02:44,827 --> 00:02:47,413
A TECHNICIAN
THEN SCRUTINIZES THE RAZOR
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00:02:47,413 --> 00:02:49,068
TO CONFIRM THAT IT'S STRAIGHT.
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00:02:49,068 --> 00:02:52,413
IF IT'S NOT,
HE HAMMERS IT STRAIGHTER.
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00:02:53,793 --> 00:02:56,103
ANOTHER WORKER GRINDS THE BLADE,
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00:02:56,103 --> 00:02:58,103
ANGLING IT DOWN
TO THE CUTTING EDGE
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00:02:58,103 --> 00:03:00,862
USING A SERIES
OF ABRASIVE WHEELS.
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00:03:00,862 --> 00:03:03,793
HE TESTS THE EDGE
AGAINST A THICK METAL BAND.
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00:03:03,793 --> 00:03:06,344
IT NEEDS TO BE AS THIN
AS ALUMINUM FOIL
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00:03:06,344 --> 00:03:09,000
AND STRONG, YET FLEXIBLE.
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00:03:09,000 --> 00:03:12,344
THE NEXT WORKER BRUSHES
ASPHALT LACQUER
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00:03:12,344 --> 00:03:15,827
ONTO THE BLADE AND UPPER PART
OF THE HANDLE, OR TANG.
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00:03:18,482 --> 00:03:21,517
THIS COATING PREPARES
THE SURFACE FOR LASER-ETCHING.
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00:03:23,413 --> 00:03:25,689
IT ALLOWS
THE COMPUTERIZED LASER BEAM
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00:03:25,689 --> 00:03:27,344
TO CUT CLEANLY INTO THE METAL
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WITH NO BLEEDING
AROUND THE EDGES...
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...SO THE TRADEMARK INSIGNIA
AND ART LOOK CRISP.
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00:03:34,965 --> 00:03:37,724
SHE PAINTS A LITTLE MORE LACQUER
AROUND THE ETCHING
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00:03:37,724 --> 00:03:42,517
TO PREPARE THE BLADE FOR
THE NEXT STEP -- GOLD-PLATING.
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00:03:42,517 --> 00:03:45,517
SHE DIPS THE BLADE
IN A MIX OF WATER AND GOLD
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00:03:45,517 --> 00:03:48,758
AND RUNS A CURRENT OF
ELECTRICITY THROUGH THE MIX.
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00:03:48,758 --> 00:03:51,137
THIS CAUSES THE GOLD
TO GRAVITATE
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00:03:51,137 --> 00:03:54,000
TO THE EXPOSED, UN-LACQUERED
SECTION OF THE BLADE
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00:03:54,000 --> 00:03:55,620
AND ADHERE TO IT.
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00:03:55,620 --> 00:03:57,620
THE LACQUER HAS SERVED
ITS PURPOSE,
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00:03:57,620 --> 00:04:00,000
AND SHE NOW CLEANS IT OFF
IN A CHEMICAL BATH
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00:04:00,000 --> 00:04:03,827
TO REVEAL
THE NOW-GLOSSY, TWO-TONED BLADE.
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00:04:09,000 --> 00:04:11,896
NEXT, SHE SANDWICHES
THE TANG OF THE RAZOR BLADE
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00:04:11,896 --> 00:04:14,758
BETWEEN TWO PLASTIC PARTS
OF THE HANDLE,
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00:04:14,758 --> 00:04:18,137
USING A LONG PIN
TO HOLD EVERYTHING TOGETHER.
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00:04:22,758 --> 00:04:25,586
SHE THEN SHORTENS THE PIN,
CAPS IT,
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00:04:25,586 --> 00:04:30,000
AND HAMMERS THE CAP DOWN
TO SECURE IT.
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00:04:30,000 --> 00:04:33,000
SHE NOW TESTS THE INSTALLATION.
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00:04:36,827 --> 00:04:39,137
THE NEXT WORKER GRINDS
THE ENTIRE BLADE
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00:04:39,137 --> 00:04:42,206
AGAINST A SLIGHTLY CONCAVE
ABRASIVE WHEEL,
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00:04:42,206 --> 00:04:46,551
FURTHER SHARPENING IT WHILE
MAINTAINING THE SLOPE PROFILE.
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00:04:46,551 --> 00:04:49,965
SHE THEN HONES THE CUTTING EDGE
AGAINST A WET STONE,
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00:04:49,965 --> 00:04:53,448
TESTS IT AGAINST A COW HORN,
AND THEN HONES IT AGAIN.
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00:04:53,448 --> 00:04:58,000
THIS LAST STEP
MAKES THE EDGE RAZOR-SHARP.
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00:04:58,000 --> 00:05:00,344
SHE IMMERSES THE BLADES
IN CHALK,
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00:05:00,344 --> 00:05:03,068
WHICH ABSORBS MOISTURE
TO PREVENT RUSTING.
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00:05:03,068 --> 00:05:06,551
SHE NOW STROKES THE CUTTING EDGE
AGAINST A LEATHER STRAP.
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00:05:06,551 --> 00:05:08,206
THIS IS CALLED STROPPING.
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00:05:08,206 --> 00:05:10,724
IT GIVES THE BLADE
ITS FINAL POLISH.
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00:05:10,724 --> 00:05:13,931
AND NOW SHE REMOVES A SINGLE
ARTIFICIAL HAIR FROM A BUNDLE
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00:05:13,931 --> 00:05:16,551
AND CONFIRMS
THAT THIS STRAIGHT RAZOR
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00:05:16,551 --> 00:05:20,517
IS SHARP ENOUGH
TO SLICE IT IN TWO.
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00:05:20,517 --> 00:05:22,793
IT TAKES A TOTAL
OF 80 DIFFERENT STEPS
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00:05:22,793 --> 00:05:25,000
TO MANUFACTURE A STRAIGHT RAZOR.
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00:05:25,000 --> 00:05:27,862
WE'VE JUST SHOWN YOU
THE HIGHLIGHTS.
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00:05:30,206 --> 00:05:35,068
PROPERLY MAINTAINED, A STRAIGHT
RAZOR SHOULD LAST FOR DECADES.
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00:05:50,827 --> 00:05:54,103
Narrator: IT'S COMMON
TO MANY EUROPEAN CULTURES.
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00:05:54,103 --> 00:05:56,551
THE FRENCH CALL IT
"BOUDIN NOIR."
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00:05:56,551 --> 00:05:58,724
THE SPANISH CALL IT "MORCILLA."
89
00:05:58,724 --> 00:06:01,068
THE ITALIANS CALL IT
"SANGUINACCIO."
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00:06:01,068 --> 00:06:04,448
AND IN THE UNITED KINGDOM,
THEY CALL IT "BLACK PUDDING."
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WHAT IS IT?
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00:06:05,896 --> 00:06:10,206
A SAVORY DISH MADE FROM PIGS'
BLOOD AND OTHER INGREDIENTS.
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00:06:11,551 --> 00:06:13,965
IN ENGLAND, IRELAND,
SCOTLAND, AND WALES,
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00:06:13,965 --> 00:06:16,758
BLACK PUDDING IS TYPICALLY
SERVED SLICED AND FRIED
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00:06:16,758 --> 00:06:19,206
AS PART
OF A TRADITIONAL BREAKFAST.
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00:06:19,206 --> 00:06:22,896
ITS ROOTS ARE IN ANCIENT TIMES,
WHEN PEOPLE WOULDN'T WASTE
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00:06:22,896 --> 00:06:26,241
ANY PART OF A SLAUGHTERED
ANIMAL, NOT EVEN ITS BLOOD.
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00:06:26,241 --> 00:06:30,206
BLACK PUDDING ALSO CONTAINS
SEVERAL DRY INGREDIENTS --
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00:06:30,206 --> 00:06:31,827
BARLEY...
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00:06:31,827 --> 00:06:34,413
ALLSPICE...
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00:06:34,413 --> 00:06:37,103
DRIED ONIONS...
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00:06:37,103 --> 00:06:39,344
SPICES AND OTHER SEASONINGS...
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00:06:39,344 --> 00:06:41,620
AND WHEAT FLOUR.
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00:06:41,620 --> 00:06:45,517
THE PIGS' BLOOD
IS ALSO IN DRIED FORM.
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00:06:45,517 --> 00:06:48,448
THEY BEGIN BY FILLING
COTTON BAGS WITH BARLEY
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00:06:48,448 --> 00:06:51,448
AND SUBMERGING THEM
IN BOILING WATER OVERNIGHT.
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00:06:51,448 --> 00:06:55,379
THE BAGS ARE POROUS,
SO THE BARLEY ABSORBS THE WATER,
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00:06:55,379 --> 00:06:57,862
SWELLING AND SOFTENING
AS IT COOKS.
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00:06:57,862 --> 00:06:59,586
ONCE THE BARLEY IS READY,
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00:06:59,586 --> 00:07:04,241
THEY DRAIN THE WATER OUT
OF THE COOK TANK...
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00:07:04,241 --> 00:07:09,172
THEN CUT OPEN THE BAGS AND EMPTY
THE COOKED BARLEY INTO A TUB.
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00:07:14,655 --> 00:07:17,103
THE BARLEY
AND OTHER DRY INGREDIENTS
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00:07:17,103 --> 00:07:19,275
WILL MAKE UP ABOUT A THIRD
OF THE PUDDING MIX.
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00:07:19,275 --> 00:07:20,931
ANOTHER THIRD
IS THE PIGS' BLOOD;
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00:07:20,931 --> 00:07:24,137
AND THE LAST THIRD, MEAT FAT.
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00:07:25,862 --> 00:07:30,517
THEY BOIL PORK FAT
IN A COOK TANK FOR TWO HOURS.
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00:07:34,068 --> 00:07:37,827
THEN THEY STRAIN OUT THE WATER
AND TRANSFER THE FAT TO A TUB.
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00:07:45,206 --> 00:07:50,000
IN ANOTHER COOK TANK, THEY BOIL
SMOKED-BACON FAT FOR TWO HOURS.
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00:07:53,103 --> 00:07:55,517
THEN THEY SCOOP OUT
AND STRAIN THAT FAT
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00:07:55,517 --> 00:07:58,241
AND DROP IT INTO A BIN, AS WELL.
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00:07:58,241 --> 00:08:00,137
THE SCRAPS OF MEAT
CLINGING TO THE PIECES OF FAT
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00:08:00,137 --> 00:08:03,862
WILL GIVE THE BLACK PUDDING
EXTRA FLAVOR.
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00:08:05,724 --> 00:08:09,896
NEXT, WORKERS EMPTY THE TWO BINS
OF FAT INTO A MINCER.
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00:08:09,896 --> 00:08:12,000
THEN THEY TAKE DRIED ONIONS
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00:08:12,000 --> 00:08:15,551
AND HYDRATE THEM WITH STOCK
FROM THE SMOKED-BACON COOK TANK.
126
00:08:19,275 --> 00:08:21,896
THIS PRODUCES GRAVY.
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00:08:24,379 --> 00:08:27,034
THEY POUR THIS GRAVY,
ALONG WITH THE COOKED BARLEY,
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00:08:27,034 --> 00:08:29,000
INTO THE MINCER.
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00:08:31,724 --> 00:08:35,724
NEXT, THEY ADD THE FLOUR
AND MINCE SOME MORE.
130
00:08:43,103 --> 00:08:46,000
AND THEN THE DRIED PIGS' BLOOD.
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00:08:47,689 --> 00:08:50,551
BESIDES TURNING THE INGREDIENTS
A RICH COLOR,
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00:08:50,551 --> 00:08:54,586
THE BLOOD MAKES BLACK PUDDING A
RICH SOURCE OF IRON AND PROTEIN.
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00:08:54,586 --> 00:08:58,172
THEY MINCE THE INGREDIENTS
UNTIL THE MIXTURE IS SMOOTH.
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00:08:58,172 --> 00:09:01,068
THEN THEY TRANSFER IT
TO THE STUFFING LINE.
135
00:09:04,551 --> 00:09:08,137
A WORKER PUMPS A SPECIFIC
QUANTITY INTO A NYLON CASING,
136
00:09:08,137 --> 00:09:11,586
THEN STAPLES EACH END
OF THE CASING CLOSED.
137
00:09:17,551 --> 00:09:21,000
THIS IS THE 7 1/2 POUND
RETAIL SIZE.
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00:09:21,000 --> 00:09:23,206
THE FACTORY ALSO PACKAGES
LARGER FORMATS
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00:09:23,206 --> 00:09:27,931
FOR RESTAURANTS, DELICATESSENS,
AND CATERERS.
140
00:09:27,931 --> 00:09:29,724
FROM THE STUFFING LINE,
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00:09:29,724 --> 00:09:32,965
THE BLACK PUDDINGS
GO INTO A STEAM COOKER.
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00:09:36,862 --> 00:09:40,689
ONCE THEIR INTERNAL TEMPERATURE
REACHES 185 DEGREES FAHRENHEIT,
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00:09:40,689 --> 00:09:44,137
WHICH TAKES ABOUT TWO HOURS,
THEY COME OUT OF THE OVEN.
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00:09:44,137 --> 00:09:47,000
THEY'RE TEXTURED NOW LIKE
A DENSE CHOCOLATE PUDDING.
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00:09:51,724 --> 00:09:53,862
AFTER COOLING OVERNIGHT,
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00:09:53,862 --> 00:09:56,862
EACH BLACK PUDDING
GOES INTO A PRINTED PLASTIC BAG.
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00:10:01,482 --> 00:10:03,724
A VACUUM MACHINE
SUCKS OUT ALL THE AIR,
148
00:10:03,724 --> 00:10:05,724
AND HEAT SEALS THE PACKAGE.
149
00:10:05,724 --> 00:10:08,758
THIS IMPROVES
THE PRODUCT'S SHELF LIFE.
150
00:10:12,517 --> 00:10:16,344
FROM THERE, THE PUDDINGS DROP
INTO A TANK OF HOT WATER.
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00:10:16,344 --> 00:10:20,965
THIS SHRINKS THE PLASTIC PACKAGE
TIGHTLY AROUND THE CASING.
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00:10:20,965 --> 00:10:22,793
EVEN WITHIN THE SAME COUNTRY,
153
00:10:22,793 --> 00:10:25,448
BLACK PUDDING RECIPES
VARY BY REGION.
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00:10:25,448 --> 00:10:28,931
THIS SMOOTH-TEXTURED PUDDING
IS TYPICAL OF EASTERN SCOTLAND.
155
00:10:28,931 --> 00:10:32,172
IN WESTERN SCOTLAND, THEY
USE OATMEAL INSTEAD OF BARLEY,
156
00:10:32,172 --> 00:10:33,379
AND, IN NORTHERN ENGLAND,
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00:10:33,379 --> 00:10:36,517
THEY USE BIG, USUALLY VISIBLE,
CHUNKS OF FAT,
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00:10:36,517 --> 00:10:38,241
BOTH PRODUCING A BLACK PUDDING
159
00:10:38,241 --> 00:10:41,551
THAT'S COARSER IN TEXTURE
BUT EQUALLY DELICIOUS.
160
00:10:50,068 --> 00:10:53,620
Narrator:
THE EARLIEST AUTOMOBILES
USED A TILLER FOR STEERING.
161
00:10:53,620 --> 00:10:56,000
THAT'S A LEVER
ATTACHED TO A RUDDER.
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00:10:56,000 --> 00:10:58,758
THE FIRST STEERING WHEEL
APPEARED IN 1894,
163
00:10:58,758 --> 00:11:02,034
IN A CAR BUILT BY
THE PANHARD COMPANY OF FRANCE.
164
00:11:02,034 --> 00:11:05,551
TODAY, THE STEERING WHEEL
IS A MULTITASKING COMPONENT,
165
00:11:05,551 --> 00:11:09,965
INTEGRATING CONTROL SWITCHES
AND THE DRIVER'S-SIDE AIR BAG.
166
00:11:09,965 --> 00:11:13,413
A CAR STEERING WHEEL
LOOKS SIMPLE ENOUGH --
167
00:11:13,413 --> 00:11:15,586
A STYLISH RING WITH A HORN
IN THE MIDDLE
168
00:11:15,586 --> 00:11:17,827
AND SWITCHES TO OPERATE
THE CRUISE CONTROL
169
00:11:17,827 --> 00:11:19,448
AND OTHER FUNCTIONS.
170
00:11:19,448 --> 00:11:22,827
YET DESPITE THIS SIMPLICITY,
A STEERING-WHEEL DESIGN
171
00:11:22,827 --> 00:11:25,689
UNDERGOES YEARS
OF DEVELOPMENT AND TESTING
172
00:11:25,689 --> 00:11:30,482
FOR SAFETY, DURABILITY,
APPEARANCE, AND FUNCTION.
173
00:11:30,482 --> 00:11:32,206
THE MANUFACTURING PROCESS
174
00:11:32,206 --> 00:11:35,862
BEGINS WITH THE ARMATURE,
THE INTERNAL SUPPORT STRUCTURE.
175
00:11:35,862 --> 00:11:38,827
IT'S MADE OF EITHER
ALUMINUM OR MAGNESIUM --
176
00:11:38,827 --> 00:11:40,758
STRONG YET LIGHTWEIGHT METALS.
177
00:11:40,758 --> 00:11:42,827
THE FACTORY'S DIE-CASTING SYSTEM
178
00:11:42,827 --> 00:11:47,517
INJECTS THE HOT, MOLTEN METAL
INTO AN ARMATURE-SHAPED MOLD.
179
00:11:47,517 --> 00:11:49,275
ONCE THE METAL SOLIDIFIES,
180
00:11:49,275 --> 00:11:51,275
THE MACHINE EJECTS THE CASTING
FROM THE MOLD.
181
00:11:51,275 --> 00:11:54,000
THE METAL IS STILL HOT.
182
00:11:54,000 --> 00:11:56,206
SO A ROBOT ARM
MOVES THE CAST ARMATURE
183
00:11:56,206 --> 00:11:59,551
TO A COOLING AREA,
WHERE COLD AIR BLOWS ON IT.
184
00:11:59,551 --> 00:12:01,413
THEY REMOVE THE EXCESS METAL
185
00:12:01,413 --> 00:12:03,517
LEFT OVER
FROM THE CASTING PROCESS
186
00:12:03,517 --> 00:12:06,034
IN ONE STRIKE
WITH A TRIMMING DIE.
187
00:12:06,034 --> 00:12:08,931
AND WITH THAT,
THE ARMATURE IS FINISHED,
188
00:12:08,931 --> 00:12:11,931
AND THE STEERING-WHEEL ASSEMBLY
CAN BEGIN.
189
00:12:14,482 --> 00:12:18,000
FIRST, A ROBOT INSTALLS
FOUR RIVETS,
190
00:12:18,000 --> 00:12:20,413
THE CONTACT POINTS
FOR THE HORN SYSTEM.
191
00:12:20,413 --> 00:12:23,896
WHEN YOU PRESS TO HONK THE HORN,
THE RIVETS COMPLETE
192
00:12:23,896 --> 00:12:27,551
AN ELECTRICAL CIRCUIT,
ENABLING THE HORN TO SOUND.
193
00:12:27,551 --> 00:12:31,034
NEXT, A COMPUTER-GUIDED ENGRAVER
MARKS A LOT NUMBER
194
00:12:31,034 --> 00:12:33,517
FOR QUALITY-CONTROL TRACKING.
195
00:12:37,793 --> 00:12:41,034
THIS DEMONSTRATION SHOWS
THE BASIS OF THE NEXT STEP.
196
00:12:41,034 --> 00:12:42,758
WHEN MIXED TOGETHER,
197
00:12:42,758 --> 00:12:46,000
THESE TWO POLYURETHANE CHEMICALS
REACT TO EACH OTHER
198
00:12:46,000 --> 00:12:48,137
AND PRODUCE AN EXPANDING FOAM.
199
00:12:48,137 --> 00:12:52,034
BY GUIDING THIS EXPANSION
WITHIN THE CONFINES OF A MOLD,
200
00:12:52,034 --> 00:12:55,758
ONE CAN MAKE THIS DENSE FOAM
ASSUME A SPECIFIC SHAPE,
201
00:12:55,758 --> 00:12:58,241
SUCH AS THAT
OF A STEERING WHEEL.
202
00:12:58,241 --> 00:13:01,862
THE PROCESS IS CALLED
REACTION INJECTION MOLDING.
203
00:13:05,000 --> 00:13:07,655
THEY COAT THE MOLD CAVITY
WITH A RELEASE AGENT
204
00:13:07,655 --> 00:13:10,586
TO PREVENT STICKING,
PLACE THE ARMATURE INSIDE,
205
00:13:10,586 --> 00:13:13,068
THEN INJECT
THE POLYURETHANE CHEMICALS.
206
00:13:13,068 --> 00:13:14,448
THE CHEMICALS REACT,
207
00:13:14,448 --> 00:13:17,379
AND THE FOAM INSTANTLY EXPANDS
WITHIN THE MOLD CAVITY,
208
00:13:17,379 --> 00:13:19,241
ENCASING THE ARMATURE.
209
00:13:19,241 --> 00:13:20,862
PRIOR TO INJECTION,
210
00:13:20,862 --> 00:13:24,241
THEY ALSO SPRAYED THE MOLD
CAVITY WITH PROTECTIVE PAINT.
211
00:13:24,241 --> 00:13:27,758
IT TINTS THE FOAM THE REQUIRED
COLOR -- IN THIS CASE, BLACK.
212
00:13:27,758 --> 00:13:31,586
IT ALSO PROTECTS THE FOAM
AGAINST WEAR AND U.V. DAMAGE.
213
00:13:31,586 --> 00:13:33,517
THE INJECTION-MOLDING PROCESS
214
00:13:33,517 --> 00:13:35,827
LEAVES EXCESS POLYURETHANE
ON THE STEERING WHEEL.
215
00:13:35,827 --> 00:13:39,241
SO THE NEXT STEP
IS TO TRIM IT OFF.
216
00:13:43,206 --> 00:13:45,206
WITH THE STEERING-WHEEL
STRUCTURE COMPLETE,
217
00:13:45,206 --> 00:13:47,620
IT'S NOW TIME TO INSTALL
THE COMPONENTS.
218
00:13:47,620 --> 00:13:49,103
THESE SWITCHES CONTROL
219
00:13:49,103 --> 00:13:51,931
THE FEATURES OPERABLE
FROM THE STEERING WHEEL.
220
00:13:51,931 --> 00:13:55,724
WORKERS ASSEMBLE THEM
INTO HOUSINGS CALLED FINISHERS.
221
00:13:55,724 --> 00:13:59,137
THE FINISHERS ARE MOLDED OUT
OF PLASTIC RESIN,
222
00:13:59,137 --> 00:14:02,965
THEN COATED WITH METALLIC PAINT
FOR A HIGH-END LOOK.
223
00:14:04,586 --> 00:14:06,137
THE SWITCH WIRING
224
00:14:06,137 --> 00:14:10,034
HAS ALREADY BEEN ASSEMBLED INTO
A UNIT CALLED A WIRE HARNESS.
225
00:14:10,034 --> 00:14:12,551
THEY CONNECT THE HARNESS
TO THE SWITCHES
226
00:14:12,551 --> 00:14:15,344
AND INSTALL IT
ONTO THE STEERING WHEEL.
227
00:14:19,241 --> 00:14:22,862
THEN THEY CHECK THAT
EVERYTHING FUNCTIONS PROPERLY.
228
00:14:24,379 --> 00:14:27,482
AND IF IT DOES,
THEY MARK THE ASSEMBLY
229
00:14:27,482 --> 00:14:31,137
TO SHOW THAT IT PASSES
THIS STAGE OF QUALITY CONTROL.
230
00:14:31,137 --> 00:14:33,310
AFTER APPLYING
A BAR-CODE STICKER,
231
00:14:33,310 --> 00:14:36,137
THEY ROUTE THE WIRING
THROUGH THE STEERING WHEEL
232
00:14:36,137 --> 00:14:38,000
TO PREPARE IT FOR FINAL ASSEMBLY
233
00:14:38,000 --> 00:14:40,103
ON THE AUTOMAKER'S
ASSEMBLY LINE.
234
00:14:40,103 --> 00:14:42,896
NEXT, THEY INSTALL
SPRING MECHANISMS.
235
00:14:42,896 --> 00:14:45,413
THESE SUPPORT
THE AIR-BAG MODULE,
236
00:14:45,413 --> 00:14:49,275
ENABLING IT TO MOVE IN AND OUT
WHEN YOU SOUND THE HORN.
237
00:14:49,275 --> 00:14:52,103
THEN THEY ATTACH THE HORN PLATE,
TO WHICH THE CARMAKER
238
00:14:52,103 --> 00:14:57,413
WILL LATER ATTACH THE
DRIVER'S-SIDE AIR-BAG MODULE.
239
00:14:57,413 --> 00:14:59,620
THEY TAKE THE GROUND WIRE
AND THE WIRE HARNESS
240
00:14:59,620 --> 00:15:02,413
AND POSITION IT...
241
00:15:02,413 --> 00:15:06,206
THEN FLIP THE STEERING WHEEL
AND SECURE THE SWITCH FINISHERS
242
00:15:06,206 --> 00:15:09,275
TO THE EXPOSED BACK
OF THE ARMATURE.
243
00:15:09,275 --> 00:15:11,862
THEN THEY INSTALL A BACK COVER
MADE OF PLASTIC RESIN,
244
00:15:11,862 --> 00:15:15,689
THE COLOR MATCHING
THE REST OF THE STEERING WHEEL.
245
00:15:15,689 --> 00:15:17,758
A ROBOT ARM EQUIPPED
WITH A CAMERA
246
00:15:17,758 --> 00:15:21,344
PERFORMS A THOROUGH
QUALITY-CONTROL INSPECTION.
247
00:15:26,310 --> 00:15:28,448
WHILE THE BASICS ARE THE SAME,
248
00:15:28,448 --> 00:15:30,379
FEATURES VARY
FROM MODEL TO MODEL.
249
00:15:30,379 --> 00:15:33,379
HIGHER-END STEERING WHEELS
ARE WRAPPED IN LEATHER
250
00:15:33,379 --> 00:15:35,724
AND OFTEN HAVE
EXTRA SWITCH CONTROLS
251
00:15:35,724 --> 00:15:40,172
FOR THE AUDIO SYSTEM AND FOR
HANDS-FREE USE OF A CELLPHONE.
252
00:15:49,482 --> 00:15:53,344
Narrator:
PEOPLE HAVE ALWAYS USED COLOR
AS A MEANS OF EXPRESSION.
253
00:15:53,344 --> 00:15:55,068
PREHISTORIC MAN CREATED PAINT
254
00:15:55,068 --> 00:15:57,758
FROM A MIX OF DIRT
AND ANIMAL FAT OR SPIT.
255
00:15:57,758 --> 00:15:59,137
OVER THE CENTURIES,
256
00:15:59,137 --> 00:16:02,275
PIGMENT PRODUCTION HAS BECOME
A LOT MORE SOPHISTICATED.
257
00:16:02,275 --> 00:16:05,482
CHEMICAL MANUFACTURING PRODUCES
SYNTHETIC MINERAL PIGMENTS
258
00:16:05,482 --> 00:16:09,379
TO ADD COLOR
TO THE PRODUCTS IN OUR WORLD.
259
00:16:09,379 --> 00:16:12,896
FROM PAVERS TO PAINT
TO PLASTIC AND COSMETICS,
260
00:16:12,896 --> 00:16:15,793
THIS IS WHERE THE COLOR
COMES FROM --
261
00:16:15,793 --> 00:16:18,724
SYNTHETIC MINERAL PIGMENTS.
262
00:16:18,724 --> 00:16:22,241
THEY START WITH A SALT RECYCLED
FROM THE STEEL INDUSTRY.
263
00:16:22,241 --> 00:16:27,655
IN THIS CASE, IT'S IRON SULFATE,
WHICH HAS A BLUISH-GREEN HUE.
264
00:16:27,655 --> 00:16:32,482
THEY ADD WARM WATER, AND THEY'RE
READY FOR THE NEXT INGREDIENT --
265
00:16:32,482 --> 00:16:34,896
HIGH-QUALITY SCRAP.
266
00:16:34,896 --> 00:16:36,724
IT'S ANOTHER SOURCE OF IRON,
267
00:16:36,724 --> 00:16:39,310
AND IT'S ABOUT TO BE RECYCLED
INTO PIGMENT.
268
00:16:39,310 --> 00:16:42,758
CRANE CLAWS
TRANSFER IT TO THE MIX.
269
00:16:46,103 --> 00:16:48,344
CHEMICALS ARE ADDED.
270
00:16:53,724 --> 00:16:55,068
EVERY SO OFTEN,
271
00:16:55,068 --> 00:16:58,758
A TECHNICIAN SCRUTINIZES
A SAMPLE OF THE YELLOW SLURRY.
272
00:16:58,758 --> 00:17:01,689
IF HE DECIDES THE COLOR
OR THICKNESS AREN'T QUITE RIGHT,
273
00:17:01,689 --> 00:17:04,206
ADJUSTMENTS WILL BE MADE.
274
00:17:04,206 --> 00:17:08,379
THE SLURRY NOW FLOWS
OVER A PERFORATED METAL DRUM
275
00:17:08,379 --> 00:17:11,137
WITH A FILTER CLOTH
STRETCHED ACROSS IT.
276
00:17:11,137 --> 00:17:13,931
AS A SPRAY OF WATER
RINSES OFF THE SALT,
277
00:17:13,931 --> 00:17:15,931
THE FLUID IN THE YELLOW SLURRY
278
00:17:15,931 --> 00:17:18,655
IS SUCKED THROUGH THE FILTER
CLOTH AND INTO THE DRUM,
279
00:17:18,655 --> 00:17:21,551
LEAVING A MORE CONCENTRATED
PIGMENT ON THE SURFACE,
280
00:17:21,551 --> 00:17:23,206
CALLED FILTER CAKE.
281
00:17:23,206 --> 00:17:27,000
THE FILTER CAKE FALLS IN CHUNKS
ONTO A SCREW CONVEYOR
282
00:17:27,000 --> 00:17:30,344
AND ENDS UP AT THE TOP
OF A TOWERING SPRAY DRYER.
283
00:17:30,344 --> 00:17:35,000
INSIDE, MACHINERY PRESSES
THE HIGHLY CONCENTRATED PIGMENT
284
00:17:35,000 --> 00:17:37,620
THROUGH THE HOLES
OF A ROTATING DISK.
285
00:17:37,620 --> 00:17:39,655
THIS CAUSES A SPRAY OF DROPLETS
286
00:17:39,655 --> 00:17:43,517
THAT, WHEN EXPOSED TO HOT AIR,
DRIES INTO PIGMENT PARTICLES.
287
00:17:43,517 --> 00:17:45,793
THIS YELLOW PIGMENT
IS NOW READY TO BE MIXED
288
00:17:45,793 --> 00:17:49,310
INTO AN EMULSION PAINT
FOR COLORING WALLPAPER.
289
00:17:49,310 --> 00:17:53,137
A GENEROUS AMOUNT
CAN PRODUCE A BOLDER SHADE.
290
00:17:53,137 --> 00:17:57,241
A LITTLE LESS,
AND IT'S MORE MELLOW YELLOW.
291
00:17:59,344 --> 00:18:03,551
TO MAKE BLACK PIGMENT, THEY
START WITH CAST-IRON FILINGS,
292
00:18:03,551 --> 00:18:06,103
ANOTHER FORM
OF AUTOMOTIVE SCRAP.
293
00:18:06,103 --> 00:18:11,793
THIS MAGNETIC CRANE TRANSFERS
THE FILINGS FOR PRODUCTION,
294
00:18:11,793 --> 00:18:15,068
AND, AGAIN, IT WILL TAKE
A CHEMICAL REACTION
295
00:18:15,068 --> 00:18:18,000
TO PRODUCE THE PIGMENT SLURRY.
296
00:18:18,000 --> 00:18:21,413
THE CHEMICAL REACTION
ALSO GENERATES ENERGY
297
00:18:21,413 --> 00:18:26,689
THAT'S RECOVERED AND USED
IN THE MANUFACTURING PROCESS.
298
00:18:26,689 --> 00:18:30,827
THEY WASH AND THICKEN THE BLACK
SLURRY ON A REVOLVING DRUM,
299
00:18:30,827 --> 00:18:33,344
JUST LIKE THEY DID
FOR THE YELLOW PIGMENT,
300
00:18:33,344 --> 00:18:37,034
BUT THIS THICK PASTE WON'T JUST
BE USED TO MAKE BLACK PIGMENT.
301
00:18:37,034 --> 00:18:41,103
IT WILL ALSO BE USED
TO MAKE RED.
302
00:18:41,103 --> 00:18:43,448
FOR THE DRAMATIC CONVERSION
TO RED,
303
00:18:43,448 --> 00:18:45,896
THE PASTE FLOWS DIRECTLY
INTO A KILN,
304
00:18:45,896 --> 00:18:48,068
WHERE IT'S BAKED UNTIL DRY.
305
00:18:48,068 --> 00:18:50,551
THEY INTRODUCE AIR
AND INCREASE THE TEMPERATURE
306
00:18:50,551 --> 00:18:53,724
TO MORE THAN
1,500 DEGREES FAHRENHEIT,
307
00:18:53,724 --> 00:18:56,655
MAKING THE BLACK PARTICLE
TURN RED.
308
00:18:56,655 --> 00:18:59,482
THEY TRANSFER THE RED PIGMENT
TO A DRUM,
309
00:18:59,482 --> 00:19:03,448
WHERE THEY MIX THE PIGMENT
AND ADJUST THE COLOR PROPERTIES.
310
00:19:03,448 --> 00:19:07,137
THEY THEN GRIND IT
TO A FINER CONSISTENCY.
311
00:19:09,068 --> 00:19:12,206
ONCE THE PIGMENT
IS PACKAGED IN PAPER BAGS,
312
00:19:12,206 --> 00:19:15,448
IT'S READY FOR TRANSPORT
OR WAREHOUSING.
313
00:19:20,517 --> 00:19:21,931
LIKE SUGAR,
314
00:19:21,931 --> 00:19:24,827
PIGMENT COMES IN BOTH
A POWDERED AND GRANULATED FORM.
315
00:19:24,827 --> 00:19:27,896
THIS DEMONSTRATION SHOWS
THE DIFFERENCE BETWEEN THE TWO.
316
00:19:27,896 --> 00:19:30,482
THE POWDERED PIGMENT
IS MORE CLUMPY
317
00:19:30,482 --> 00:19:32,758
AND DOESN'T FLOW
FROM THE OPEN END OF THE BEAKER.
318
00:19:32,758 --> 00:19:35,275
BY CONTRAST,
THE GRANULAR PIGMENTS
319
00:19:35,275 --> 00:19:37,620
ARE TINY MICRO BEADS
THAT FLOW FREELY,
320
00:19:37,620 --> 00:19:39,689
WHICH MAKES IT DESIRABLE
321
00:19:39,689 --> 00:19:43,793
FOR USERS WHO WANT TO MIX
AND METER PIGMENTS MORE EASILY.
322
00:19:43,793 --> 00:19:46,586
TO TEST HOW THE PIGMENT
WOULD COLOR BRICK,
323
00:19:46,586 --> 00:19:49,655
THEY MIX RED PIGMENT
WITH A CONCRETE SUBSTITUTE
324
00:19:49,655 --> 00:19:52,275
AND COMPARED THE RESULT
TO THE STANDARD
325
00:19:52,275 --> 00:19:55,931
TO CONFIRM THAT THEY MATCH UP.
326
00:19:55,931 --> 00:19:58,931
BUT SOMETIMES THEY NEED
A REAL CONCRETE EXAMPLE
327
00:19:58,931 --> 00:20:01,482
OF A PIGMENT'S COLOR TONE.
328
00:20:01,482 --> 00:20:04,862
SO THEY ADD A SMALL AMOUNT
TO A MIXER FULL OF AGGREGATE --
329
00:20:04,862 --> 00:20:06,517
WATER AND CEMENT.
330
00:20:06,517 --> 00:20:08,241
THE MIXER ROTATES,
331
00:20:08,241 --> 00:20:10,551
AND ONCE THE INGREDIENTS
ARE THOROUGHLY BLENDED,
332
00:20:10,551 --> 00:20:14,586
THEY OPEN THE LID
TO REVEAL THE RED BRICK PASTE.
333
00:20:14,586 --> 00:20:19,551
THEY SCOOP IT UP FOR TRANSFER
TO A BRICK-FORMING MACHINE...
334
00:20:19,551 --> 00:20:23,000
AND THEN FILL BRICK FORMS
WITH THE PASTE.
335
00:20:24,655 --> 00:20:27,172
THEY ACTIVATE A PLUNGER
THAT TAMPS IT DOWN
336
00:20:27,172 --> 00:20:31,310
TO COMPACT IT INTO THE FORMS,
PRODUCING BRICKS.
337
00:20:36,379 --> 00:20:38,448
RED, BLACK, OR YELLOW,
338
00:20:38,448 --> 00:20:42,034
THESE PIGMENTS ARE SURE TO MAKE
THINGS MORE COLORFUL.
339
00:20:51,482 --> 00:20:54,241
IF YOU HAVE ANY COMMENTS
ABOUT THE SHOW
340
00:20:54,241 --> 00:20:57,172
OR IF YOU'D LIKE TO SUGGEST
TOPICS FOR FUTURE SHOWS,
341
00:20:57,172 --> 00:20:59,758
DROP US A LINE AT...
28018
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