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Narrator: A RALLY CAR IS A COMPACT VEHICLE
THAT'S HAD A RADICAL MAKEOVER.
IT'S BEEN STRIPPED TO THE STEEL CORE AND COMPLETELY REBUILT.
INTERNATIONAL RALLY REGULATIONS GOVERN THE PROCESS.
IN THE END, THAT EFFICIENT LITTLE VEHICLE
BECOMES A LEAN, MEAN RACING MACHINE.
FRESH OUT OF THE FACTORY,
THIS COMPACT CAR
IS ABOUT TO BE RIPPED APART AND PUT BACK TOGETHER AGAIN.
THE REBUILD WILL PUMP UP THE POWER
AND TRANSFORM A QUIET ROAD CAR
INTO A VEHICLE THAT ROARS ON THE RALLY RACING CIRCUIT.
BOLD GRAPHICS WILL ALSO MAKE THIS COMPACT CAR LOOK FIERCE.
AS THEY DISMANTLE THE CAR,
THEY GET RID OF SOME SUPERFLUOUS BRACKETS AND PANELS
TO SHED WEIGHT.
THEY BLAST OFF THE PAINT.
THEN THEY WELD A TUBULAR STEEL ROLL CAGE TO IT
TO PROTECT THE DRIVER AND CO-DRIVER
IN A ROLLOVER OR CRASH.
THE ROLL CAGE ALSO STIFFENS THE CHASSIS
FOR BETTER HANDLING ON HARD TURNS.
THEY WIDEN THE BACK END SLIGHTLY
TO ACCOMMODATE AN UPGRADE TO A 4-WHEEL TRANSMISSION
AND A LARGER FUEL TANK.
THEN THEY PAINT PRIMER ONTO THE MODIFIED BODY SHELL.
THEY'RE NOW READY FOR THE REAR TRANSMISSION.
THIS WILL CONVERT THIS COMPACT CAR TO 4-WHEEL DRIVE.
THE TECHNICIAN BOLTS THE TRANSMISSION
TO THE REAR FLOOR PANEL.
UPGRADING FROM 2-WHEEL DRIVE TO 4-WHEEL DRIVE ADDS TRACTION
AND ALLOWS THE CAR TO HANDLE MORE PRECISELY.
NOW THE SEATS.
THEY'RE INDIVIDUAL SURVIVAL CELLS MADE OF CARBON FIBER,
A VIRTUALLY INDESTRUCTIBLE MATERIAL.
IT'S ALSO EXTREMELY LIGHT,
AND THIS HELPS OFFSET THE EXTRA WEIGHT
ADDED BY THE REAR TRANSMISSION AND ROLL CAGE.
THE NEW DASHBOARD FASCIA IS MADE OF LIGHTWEIGHT FIBERGLASS
AND COVERED WITH A VELVETY FABRIC
TO BLOCK THE REFLECTION OF LIGHT.
WITH THE DASHBOARD IN PLACE,
THE CAR GETS THE STEERING COLUMN AND WHEEL.
THE CAR IS NOW READY FOR THE FIBERGLASS BUMPER.
IT'S BEEN REDESIGNED SLIGHTLY TO ACCOMMODATE NEW FENDERS
THAT ARE FLARED FOR BIGGER TIRES.
THE TECHNICIAN THEN EQUIPS THE RALLY CAR
WITH HEAVY-DUTY DAMPERS
TO ABSORB THE SHOCK OF HIGH-SPEED BUMPS
ON THE RALLY COURSE.
HE SLIDES THE STIFF SPHERICAL BEARINGS INTO THE CAR SHELL
AND SECURES THEM.
HE LINKS THE DAMPERS AND THE DRIVESHAFT
TO THE HUB CARRIER AND BOLTS THEM INTO PLACE.
HE INSERTS BRAKE PADS INTO LIGHTWEIGHT ALUMINUM CALIPERS
AND MOUNTS THEM TO THE ROTORS.
THIS BRAKING SYSTEM IS EXTRA LARGE FOR SERIOUS FRICTION,
ALLOWING THE RALLY CAR TO BE SLOWED EFFICIENTLY WHEN NEEDED.
USING A CRANE, THEY NOW LIFT THE ENGINE INTO THE CHASSIS.
THIS IS THE ORIGINAL 1.6-LITER ENGINE,
BUT SERIOUSLY RAMPED UP TO BOOST PERFORMANCE.
THEY'VE UPGRADED THE PISTONS AND CAMSHAFTS,
AMONG OTHER THINGS, AND ADDED A TURBOCHARGER.
THIS TAKES THE COMPACT-CAR ENGINE
FROM 90 HORSEPOWER TO 300.
INSTEAD OF A METAL FUEL TANK, THEY INSTALL A RUBBER ONE.
IT'S PLIABLE AND EXPANDS,
SO IT'S UNLIKELY TO SPLIT OR CRACK IN A CRASH.
THE RUBBER FUEL CELL FITS PERFECTLY UNDER THE TRUNK FLOOR.
STRAPPED TO THAT FLOOR IS THIS LITTLE TOOL KIT.
THEY'VE LIGHTENED THESE TOOLS
BY DRILLING HOLES INTO THE HANDLES.
AS THE RACE HEATS UP, SO WILL THE ENGINE AND ITS FLUIDS.
THEY CUSTOM-DESIGNED THIS U-SHAPED RADIATOR
TO KEEP THE POWER-STEERING OIL COOL.
THEY TIE IT TO THE FRONT OF THE SUPERSIZED ENGINE RADIATOR.
WITHOUT THIS SUBSTANTIAL RADIATOR SYSTEM,
OVERHEATING COULD KILL THE ENGINE,
AND THAT WOULD BE THE END OF THE RALLY FOR THIS CAR.
THE MECHANICS OF THE RALLY CAR
HAVE NOW BEEN COMPLETELY REBUILT.
THEY NOW INSTALL WINDOWS.
THEY USE DOUBLE-SIDED TAPE
TO BIND THE REAR SIDE WINDOWS TO THE CAR.
TAPING THE WINDOWS MEANS
THEY CAN BE EASILY KICKED OUT IN THE EVENT OF AN ACCIDENT.
THE WINDOWS ARE MADE OF SHATTERPROOF PLASTIC.
SO THERE SHOULDN'T BE ANY CUTS OR SCRAPES
WHEN BUSTING THEM OUT.
INSTEAD OF PAINTING THE CAR,
THEY GLUE ON GRAPHICS FROM BUMPER TO BUMPER.
THE GRAPHICS ARE MADE OF PLASTIC FILM
THAT IS MUCH LIGHTER THAN PAINT.
THE CREW SAVES ABOUT 11 POUNDS BY NOT PAINTING THE RALLY CAR.
SAVING WEIGHT AND REDISTRIBUTING IT FOR BETTER HANDLING,
WHILE ADHERING TO TIGHT WEIGHT REGULATIONS,
IS JUST PART OF THE CHALLENGE.
AND A GOOD FINISH IN THE REBUILD SHOP
COULD LEAD TO A STRONG FINISH IN THE RALLY.
Narrator: BRITISH PORK PIE
IS MADE OF CHOPPED PORK AND PORK JELLY
NESTLED INSIDE A CRUST PASTRY.
MASS-PRODUCED VERSIONS CONTAIN CURED PORK IN A SOFT PASTRY.
PREMIUM PIES ARE HANDMADE WITH FRESH, UNCURED PORK
INSIDE A PASTRY THAT'S HARD AND CRISP ON THE OUTSIDE,
SOFT ON THE INSIDE.
AMONG THE BEST-KNOWN PREMIUM VARIETIES OF PORK PIES
IS MELTON MOWBRAY,
NAMED AFTER AN ENGLISH TOWN
WHICH HAS PRODUCED THIS BRITISH SNACK SINCE THE 19th CENTURY.
ONLY MANUFACTURERS SITUATED
WITHIN A DEFINED RADIUS OF THE TOWN
CAN LEGALLY CALL THEIR PRODUCT MELTON MOWBRAY PORK PIE.
AND THEY HAVE TO FOLLOW THE TRADITIONAL RECIPE,
WHICH BEGINS WITH BLENDING HARD BREAD FLOUR.
THEN WORKERS PUT LARD INTO A POT OF COLD WATER...
...SPRINKLE WITH SEA SALT,
THEN BRING THE WATER TO A FAST BOIL, DISSOLVING THE LARD.
THEN THEY ADD THIS HOT MIXTURE TO THE FLOUR.
THEY BLEND FOR A FEW MINUTES
UNTIL THE INGREDIENTS FORM A MEDIUM-SOFT GOLDEN DOUGH.
UNLIKE DOUGH MADE WITH COLD WATER,
WHICH BAKES SOFT THROUGHOUT,
HOT-WATER DOUGH BAKES HARD ON THE SURFACE,
BUT SOFT WITHIN.
THEY ROLL THE DOUGH INTO BALLS
OF APPROXIMATELY HALF A POUND EACH...
...THEN ROLL HALF THE BALLS FLAT
INTO A LAYER ROUGHLY 2/10 OF AN INCH THICK.
WITH A ROUND PASTRY CUTTER, THEY SLICE CIRCLES.
EACH ONE WILL BE A PIE TOP, CALLED A LID.
THE OTHER DOUGH BALLS WILL LATER BECOME
THE BASE OF THE PIE, CALLED THE CASE.
THE PIE FILLING IS MADE FROM FRESH PORK SHOULDER,
WHITE PEPPER, AND SEA SALT.
THEY PREPARE THE FILLING IN SMALL BATCHES
IN ORDER TO BETTER CONTROL THE DISTRIBUTION OF INGREDIENTS.
AFTER CUTTING THE PORK INTO SMALL CHUNKS,
THEY SPRINKLE WITH SALT AND PEPPER...
MIX BY HAND...
...THEN FORM BALLS THE SAME SIZE AS THE PASTRY BALLS.
IN THE ASSEMBLY AREA,
WORKERS LAY A PLASTIC SHEET OVER THE HOOP OF A PIE PRESS
TO PREVENT THE DOUGH FROM STICKING.
THEY PUT A PASTRY BALL IN THE HOOP
AND COVER IT WITH ANOTHER SHEET...
...THEN PLUNGE A ROUND METAL DIE INTO THE HOOP TO FORM THE CASE.
NOW THEY DROP A PORK BALL INSIDE,
PUSHING IT DOWN TO FORCE OUT SOME OF THE TRAPPED AIR.
THEY BRUSH WATER ONTO THE EDGE OF THE CASE TO MAKE IT STICKY.
THEN THEY APPLY THE LID, LIGHTLY THUMB-PRESSING ALL AROUND
TO ADHERE IT TO THE STICKY EDGE OF THE CASE.
THEN WITH A DIFFERENT HAND PRESS,
THEY SCORE THE PERIMETER OF THE PIE...
AND GENTLY RUN A WOODEN BLOCK ACROSS THE TOP.
THIS REMOVES THE EXCESS DOUGH
WITHOUT UNSEALING OR RIPPING THE PIE.
A VENTILATION HOLE IN THE MIDDLE LETS JUST ENOUGH STEAM ESCAPE
TO PREVENT PRESSURE
FROM BUILDING UP AND BURSTING THE LID.
THE STEAM THAT REMAINS HELPS TENDERIZE THE PORK.
A PIE DECORATOR CRIMPS THE EDGE INWARD.
THEN THE PIES GO ONTO A BAKING SHEET
AND INTO THE OVEN FOR AN HOUR
AT JUST UNDER 400 DEGREES FAHRENHEIT.
EARLIER, WORKERS PREPARED THE PORK JELLY
BY BOILING PIGS' FEET IN A LARGE POT OF WATER...
THEN SIMMERING FOR NINE HOURS
TO RELEASE THE NATURAL GELATIN FROM THE BONES.
NOW THEY STRAIN THE POT'S CONTENTS
TO ISOLATE THIS NATURAL JELLY.
THEY'VE TIMED THIS PERFECTLY SO THAT THE JELLY IS STILL WARM
WHEN THE PIES COME OUT OF THE OVEN.
WHEN THEY DO, THEIR PASTRY CRUST IS A GOLDEN COLOR.
THE PORK, AS MEAT TENDS TO DO, HAS SHRUNK DURING COOKING,
CREATING EMPTY SPACES INSIDE THE PASTRY.
IT'S INTO THOSE VOIDS
THAT WORKERS NOW INJECT THE WARM PORK JELLY
UNTIL IT STARTS BUBBLING OUT THE HOLE AT THE TOP.
THIS INDICATES THE JELLY
HAS FILLED ALL THE NOOKS AND CRANNIES.
THE PIES GO IMMEDIATELY INTO A FRIDGE
SET AT 43 DEGREES FAHRENHEIT.
THEY REMAIN INSIDE FOR ABOUT 90 MINUTES UNTIL THE JELLY SETS.
FROM NOW ON, THE PORK WILL REMAIN MOIST
THANKS TO THIS CONGEALED JELLY SURROUNDING IT.
EACH PIE IS WRAPPED IN A SEE-THROUGH PACKAGE
BEARING A "BEST BEFORE" DATE.
KEPT REFRIGERATED, A PORK PIE STAYS FRESH FOR ABOUT A WEEK.
YOU TAKE IT OUT OF THE FRIDGE
AND LET IT WARM TO ROOM TEMPERATURE BEFORE DIGGING IN.
NO SELF-RESPECTING BRIT EVER WARMS UP PORK PIE.
Narrator: A FLOATING FOUNTAIN
ADDS VISUAL INTEREST TO A POND OR POOL.
IT CONTINUOUSLY SHOOTS WATER SEVERAL YARDS HIGH,
PRODUCING RIBBONS OF CASCADING WATER.
A SUBMERSIBLE PUMP GENERATES THE EFFECT.
AND ALL YOU HAVE TO DO IS JUST SIT BACK AND ENJOY THE SHOW.
A FLOATING FOUNTAIN IS A PLEASANT SIGHT,
BUT IT'S ALSO PRACTICAL.
THE CONSTANT PUMPING ACTION AERATES THE WATER,
PREVENTING STAGNATION
THAT BREEDS MOSQUITOES AND CAUSES ALGAE GROWTH.
PRODUCTION BEGINS WITH THE FLOATATION RING,
WHICH THEY CAST A SECTION AT A TIME.
A WORKER POURS A MEASURED AMOUNT OF PLASTIC POWDER
INTO THE BOTTOM HALF OF A CLAMSHELL MOLD.
THE MOLD IS ATTACHED TO AN ARM
THAT SWINGS IT INTO AN OVEN AND ROTATES IT ON TWO AXES.
THE MOLD HEATS UP.
THE POWDER MELTS
AND ADHERES TO THE WALLS OF THE MOLD, FORMING A HOLLOW PART.
THE MOLD NOW MOVES INTO A COOLING ZONE,
WHERE IT FIRST ROTATES IN FRONT OF A FAN,
THEN UNDER A COOL SPRAY OF WATER.
THE CONSTANT TURNING MINIMIZES
SAGGING OR BUCKLING IN THE PLASTIC
AS THE HOLLOW PART COOLS AND SOLIDIFIES INSIDE.
THE MOLD OPENS, REVEALING A QUARTER SECTION
OF THE FLOTATION RING.
STAINLESS-STEEL INSERTS FOR ATTACHING IT TO THE OTHER SECTIONS
HAVE BEEN EMBEDDED INTO THE PLASTIC.
THEY NOW MECHANICALLY PUSH THE HOLLOW PART UNDERWATER.
THIS IS A TEST.
THEY PUMP AIR INTO IT
AND CHECK FOR BUBBLES THAT WOULD INDICATE A HOLE.
THE FOUNTAIN RING MUST BE LEAKPROOF
BECAUSE WATER WILL EVENTUALLY BE ADDED TO IT TO LEVEL IT.
A WORKER NOW BOLTS THE FOUR QUARTERS TOGETHER
USING BRACKETS
AND THE STEEL INSERTS MOLDED INTO THE PLASTIC EARLIER.
NEXT, THEY FOCUS ON THE FRAMEWORK
FOR THE SUBMERSIBLE PUMP.
A MECHANICAL SAW CUTS THE STAINLESS STEEL PARTS TO SIZE,
AND A WELDER PIECES THEM TOGETHER.
ANOTHER WORKER NOW ATTACHES THE COMPLETED FRAMEWORK
TO THE BRACKETS
PROTRUDING FROM THE BOTTOM OF THE FLOATATION RING.
USING A PRESS, THEY BEND STEEL TO CREATE BRACKETS
TO HOLD THE FOUNTAIN'S LIGHTS.
THEY BOLT THE LIGHT BRACKETS TO THE PUMP FRAME
IN A POSITION TO ILLUMINATE THE UPWARD SPRAY OF WATER.
THEY SLIDE THE LONG, TUBULAR CASING
FOR THE PUMP AND ITS MOTOR
THROUGH BRACKETS ON THE BOTTOM OF THE FRAME.
THIS IS THE PUMP.
IT'S OPEN TO DISPLAY THE INNER WORKINGS.
THOSE STEEL DISKS ARE THE IMPELLERS
THAT WILL FORCE WATER UPWARD.
THE NEXT EMPLOYEE APPLIES PVC GLUE
TO ATTACH A FLANGE TO THE PUMP ASSEMBLY.
THE FLANGE WILL BE USED TO CONNECT THE PUMP
TO THE FOUNTAIN'S PLUMBING.
HE NOW INSERTS THE PUMP AND MOTOR ASSEMBLY INTO THE CASING.
THE MOTOR HAS BEEN HERMETICALLY SEALED TO KEEP WATER OUT.
USING A SPECIAL GRIPPER,
HE PULLS THE ASSEMBLY ALL THE WAY THROUGH THE TUBE
TO COMPLETE THE INSTALLATION.
HE SPREADS MORE GLUE ONTO THE FLANGE
AND ATTACHES A PVC ELBOW
THAT LINKS IT TO THE REST OF THE PLUMBING.
THE ENTIRE ASSEMBLY IS PAINTED BLACK
SO THE FOUNTAIN WORKINGS WILL SEEM TO DISAPPEAR UNDERWATER
WHEN VIEWED FROM THE SURFACE.
WITH THE ASSEMBLY NOW FLIPPED RIGHT SIDE UP,
THEY INSTALL THE LIGHTS.
THEN A WORKER SCREWS A CIRCLE OF EIGHT BRASS NOZZLES
ONTO A PVC BASE.
THESE NOZZLES WILL SPLIT THE FLOW OF PUMPED LAKE WATER
INTO A EIGHT SPRAYS AND CONFIGURE THEM IN A CIRCLE.
HE TIGHTENS EACH NOZZLE TO ENSURE THE CONNECTION
WILL WITHSTAND THE POWERFUL AND PERPETUAL PUMPING ACTION.
HE PLACES THE NOZZLE ASSEMBLY ON THE PLUMBING
PROTRUDING FROM THE FOUNTAIN RAFT
AND TWISTS THE THREADED ENDS TOGETHER.
THE CONNECTION MUST BE EXTREMELY TIGHT.
ANOTHER WORKER THEN ROLLS A SHEET OF PERFORATED STEEL
TO BUILD A TUBULAR SCREEN TO FILTER THE WATER
AS IT FLOWS INTO THE PUMP.
THE SCREEN FITS PERFECTLY
ONTO THE INTAKE END OF THE PUMP AND MOTOR TUBE.
WITH THE FLOATING FOUNTAIN NOW COMPLETE,
IT'S READY TO BE WIRED TO THE CONTROL PANEL.
THIS PANEL WILL BE POSITIONED LAKESIDE
FOR ONSITE ACTIVATION AND PROGRAMMING OF THE TIMER.
THE FLOATING FOUNTAIN IS NOW READY FOR LAUNCHING.
THIS PARTICULAR ONE IS A LARGER VERSION
OF THE ONE WE SAW BEING BUILT,
BUT BIG OR SMALL, IT'S ALL ABOUT GOING WITH THE FLOW.
Narrator: ARTIFICIAL STONE IS A CAST MATERIAL
THAT LOOKS JUST LIKE SCULPTED NATURAL STONE.
SINCE THE EARLY 18th CENTURY,
MANUFACTURERS HAVE CAST STONE IN MOLDS,
PRODUCING BEAUTIFUL GARDEN AND LANDSCAPE ORNAMENTS,
AS WELL AS ARCHITECTURAL COMPONENTS
DESIGNED TO ENHANCE BUILDINGS.
CLASSICAL-STYLE STATUES AND OTHER GARDEN ORNAMENTS
CAME INTO FASHION IN ENGLAND IN THE 1700s.
IT WAS TRENDY FOR THE UPPER CLASSES
TO TOUR ITALY AND ADMIRE ANCIENT ROMAN ART AND ARCHITECTURE.
NOT EVERY NOBLE WAS WEALTHY ENOUGH
TO HAUL HOME A SOLID STONE ANTIQUITY BY STAGECOACH,
SO ENGLISH FACTORIES
BEGAN PRODUCING FACSIMILES IN ARTIFICIAL STONE.
THE PRODUCTION PROCESS TODAY IS MUCH LIKE IT WAS THEN,
BEGINNING IN THE STUDIO,
WHERE A SCULPTOR MAKES A PLASTER MODEL OF THE ORNAMENT.
THIS ONE'S A COPY OF AN ANTIQUE BUST OF PAN,
THE GREEK MYTHOLOGICAL FIGURE.
THEY USE THIS INTRICATELY DETAILED MODEL
TO MAKE THE PRODUCTION MOLD.
AFTER COATING THE PLASTER WITH A SEALER,
THEY COVER THE ENTIRE MODEL WITH THIN STRIPS OF CLAY,
MAKING CERTAIN DIVISIONS BETWEEN STRIPS
TO CREATE THE PRODUCTION MOLD'S VARIOUS SECTIONS.
OVER THE CLAY, THEY APPLY SIX OR SO LAYERS
OF FIBERGLASS CLOTH SATURATED WITH RESIN.
THE RESIN CURES,
PRODUCING A 3/10-INCH-THICK MULTI-SECTIONED CASE
AROUND THE CLAY-COVERED MODEL.
NEXT THEY OPEN THE CASE AND REMOVE THE CLAY,
WHICH LEAVES A GAP AROUND THE MODEL.
THEY CLOSE THE CASE
AND FILL THAT GAP WITH THEIR SPECIALLY DEVELOPED RUBBER.
WHEN THE RUBBER CURES,
THEY OPEN THE CASE AND REMOVE THE MODEL,
REVEALING A RUBBER MOLD
THAT BEARS ALL THE MODEL'S INTRICATE DETAILS.
THEY SEND THIS CASED MOLD OFF TO THE PRODUCTION FACILITY
AND PUT THE MODEL IN STORAGE
UNTIL THE RUBBER MOLD WEARS OUT AND IT'S TIME TO POUR A NEW ONE.
THE ARTIFICIAL STONE IS A NATURAL-LOOKING OFF-WHITE COLOR.
IT'S MADE OF FINE SAND, WHITE CEMENT, AND LIMESTONE,
PLUS PLASTICIZERS, WATERPROOFERS,
AND A FEW SECRET INGREDIENTS.
THE FACTORY ADDS STONE PIGMENTS INTO THE MIX
TO PRODUCE TERRA COTTA AND OTHER COLORS.
A COMPUTER-CONTROLLED SYSTEM FEEDS THE INGREDIENTS
INTO THE MIXER IN ALL THE RIGHT PROPORTIONS,
THEN ADDS A SMALL AMOUNT OF WATER
TO ACTIVATE THE CEMENT THAT BINDS EVERYTHING TOGETHER.
ON THE PRODUCTION FLOOR,
A CASTER REPEATEDLY SHOVELS A BIT OF STONE MIXTURE
INTO THE FIBERGLASS-ENCASED RUBBER MOLD,
THEN, USING BOTH HAND AND PNEUMATIC TOOLS,
COMPACTS IT IN THE MOLD.
THE QUALITY OF THE ORNAMENT
DEPENDS GREATLY ON THE CASTER'S TECHNIQUE.
THE TRICK IS TO RAM ENOUGH STONE MIXTURE
INTO EVERY NOOK AND CRANNY OF THE MOLD,
BUT NOT COMPACT TOO MUCH AT A TIME,
AS THIS MOLD WOULD PRODUCE
UNATTRACTIVE LAYERS IN THE FINISHED ORNAMENT.
THEY TROWEL THE OPEN SIDE OF THE MOLD BY HAND
AND SMOOTH THE SURFACE.
THE STONE MIX TAKES 24 HOURS TO REACH AN INITIAL SET.
THEN, SECTION BY SECTION,
THEY UNBOLT THE CASE AND PEEL OFF THE RUBBER MOLD.
THIS MAY BE ARTIFICIAL STONE,
BUT ITS SURFACE TEXTURE CLOSELY RESEMBLES CARVED LIMESTONE.
THE FINAL STEP IS A VAPOR CURING.
THE ORNAMENTS GO INTO A CHAMBER OVERNIGHT.
THE STEAM FORCES MOISTURE INTO THE PORES,
CURING THE CEMENT INSIDE.
THIS TYPE OF ARTIFICIAL STONE IS CALLED DRY CAST LIMESTONE.
OTHER ORNAMENTS ARE MADE OF WET CAST LIMESTONE,
A MIXTURE OF SIMILAR INGREDIENTS,
BUT IN LARGER PARTICLE SIZE AND CONTAINING MUCH MORE WATER.
BECAUSE YOU CAN EMBED STAINLESS-STEEL REINFORCEMENT BARS IN IT,
WET CAST IS THE BETTER MATERIAL FOR MAKING OBJECTS
SUCH AS GARDEN BENCHES OR LARGE FOUNTAIN BOWLS
THAT REQUIRE STRUCTURAL STRENGTH.
WET CAST DOESN'T HAVE TO BE VAPOR-CURED
BECAUSE OF ITS HIGH WATER CONTENT.
HOWEVER, UNLIKE DRY CAST,
WHICH IS FINISHED WHEN IT COMES OUT OF THE MOLD,
WET CAST DOES REQUIRE FINISHING.
WORKERS HAVE TO GRIND AWAY EXCESS MATERIAL
THAT SOMETIMES SEEPS OUT OF THE JOINTS IN THE MOLD
AND HARDENS.
THE WET CAST SURFACE IS SMOOTH AND SEALED,
SO IT'S NORMALLY EASIER TO CLEAN.
DRY CAST STONE, BY CONTRAST, HAS A TEXTURED SURFACE
AND WEATHERS TO AN ANTIQUE LOOK.
--Captions by VITAC-- www.vitac.com
CAPTIONS PAID FOR BY DISCOVERY COMMUNICATIONS
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