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--Captions by vitac--
www.Vitac.Com
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captions paid for by
discovery communications, inc.
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Narrator: Today
on "how it's made"...
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Steel -- the original
heavy metal...
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Apple juice -- from
the tree to the glass...
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Aircraft landing gear --
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what you really need
to score a touchdown,
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and cosmetics --
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we'll tour a factory where they
make it up as they go along.
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They call Superman
"the man of steel"
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because, flying and
X-ray vision aside,
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he could bend solid
steel with his bare hands.
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00:01:03,448 --> 00:01:05,793
Thanks to its
legendary strength,
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steel is used for everything
from bridges and skyscrapers
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00:01:10,172 --> 00:01:12,275
to household appliances.
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Steelmaking usually begins
with a pile of scrap metal.
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Using this 11-ton electromagnet,
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scrap iron -- composed
of crushed car bodies,
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00:01:26,827 --> 00:01:30,033
electric appliances, cans,
and other steel scraps --
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00:01:30,137 --> 00:01:31,448
is gathered up.
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This powerful magnet is
able to lift 5 1/2 tons of metal.
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About 83% of this scrap will
be transformed into bars of steel.
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This metal is then
dumped into a basket
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which, by itself,
weighs 35 tons.
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The basket can hold
up to 65 tons of metal.
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00:01:52,448 --> 00:01:55,517
And now they're
going to melt the metal.
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This furnace
reaches a temperature
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of 3,000 degrees, hot
enough to liquefy the metal.
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00:02:01,965 --> 00:02:06,172
It is heated by three electrodes
and by four natural-gas burners.
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The contents of the basket
are dumped into the furnace.
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Here, the pieces of
metal come into contact
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with liquefied steel,
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which always remains at
the bottom of the furnace.
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There's a reaction, and an
aeration system draws out
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00:02:19,724 --> 00:02:21,965
the smoke that's produced.
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At this high heat,
the 66 tons of metal
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will melt in about 60 minutes.
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Then the cover is
placed on the furnace.
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This liquid is
composed of impurities
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that rise to the surface when
the metal becomes molten.
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00:02:41,965 --> 00:02:46,206
At this stage, a workman
draws a sample of steel
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to determine its
chemical makeup.
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And now they make use of
a supersonic Oxygen lance.
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00:02:53,551 --> 00:02:56,724
This lance blows Oxygen
into the molten steel.
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This reduces its carbon content,
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00:02:59,275 --> 00:03:04,344
homogenizes the mix, and
speeds up the melting process.
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A ladle is positioned
beneath the furnace.
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00:03:07,413 --> 00:03:09,482
The molten steel
will be transferred
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00:03:09,586 --> 00:03:11,689
from the furnace
into this ladle.
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00:03:11,793 --> 00:03:15,413
The molten steel easily
pours into the ladle.
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The ladle weighs 60 tons and
holds 127 tons of molten steel.
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An overhead crane
capable of lifting 200 tons
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carries the ladle
filled with steel.
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Additives are introduced
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in order to obtain
the correct steel tone.
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Here, the electrodes are
taken out of the furnace ladle.
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A workman now opens the
pouring nozzles of the distributor.
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It is equipped with
four pouring holes.
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The molten steel
runs into molds.
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It cools very quickly
and begins to harden.
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Steel billets are produced
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in lengths varying
from 15 to 35 feet.
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The billets are then
cut to the desired length
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with a natural-gas torch.
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A pouring identification
number is marked on them
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with a wax crayon.
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The difference
between a steel billet
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and the nearly finished
flattened product is clear.
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Flattening of the billets
remains to be done.
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Before flattening begins,
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00:04:42,965 --> 00:04:45,482
billets are placed in the
furnace to be reheated
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for 2 hours at 2,000 degrees.
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Water jets cool
the billet ejector.
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The billets are
placed on the flattener,
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where powerful
rollers compress them.
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This operation gives the billets
the required shape and size.
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Water-cooled rollers
crush the billets.
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Some billets go from a thickness
of 5 inches down to 1/2 an inch,
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while other reduce from 6
inches down to 3/4 of an inch.
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At the end of production,
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bars move along at a speed
reaching 22 miles per hour.
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Once they reach their
required dimensions,
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the bars must be cooled.
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This cooling bed allows the
steel bars to cool uniformly.
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A total of 440,000
tons of steel bars
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are made at this
plant each year.
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Narrator: Dump thousands
of apples into a giant press,
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apply several tons of
pressure, and what do you get?
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Apple juice, of course.
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00:06:00,586 --> 00:06:03,310
And good thing it's made
on such an enormous scale,
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when you consider
how many people
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drink gallons of this
popular juice every year.
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Here at rougemeau,
they make apple juice
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mainly from McIntosh apples.
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Some 90% of juice production
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is done at
harvesttime in October.
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A conveyor transports apples
to an inspection location.
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Apples tumble in the reverse
direction of the conveyor belt
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so that wet leaves and
undesirable materials
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adhere to the belt.
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The apples are stored
in silos for several hours.
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So the apples don't get
too bruised in their descent,
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they're slowed down
in this stepped chute.
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Juice making can now begin.
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Now they wash the apples.
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Since they use some apples
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that have already
fallen to the ground,
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this first water bath
must eliminate pebbles.
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A shower of cool water
completes the washing process.
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The apples are cut into
little pieces in this grinder
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and produce gratings.
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00:07:07,827 --> 00:07:09,655
Enzymes are added,
which break down
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the cellular
structure of the fruit,
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allowing for maximum
juice extraction.
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Next, the gratings
are transferred
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into maceration reservoirs,
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where they'll stay
for 60 to 90 minutes.
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00:07:21,793 --> 00:07:23,931
Then they extract the juice.
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00:07:24,034 --> 00:07:27,448
The gratings are pumped
into a powerful hydraulic press.
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00:07:27,551 --> 00:07:31,068
Inside the press, filter
sleeves hold back the skins,
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00:07:31,172 --> 00:07:33,586
seeds, and stems of the apples.
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00:07:36,896 --> 00:07:38,620
Quality control is strict.
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At each stage of the process,
they draw off samples of juice
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to evaluate its quality
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00:07:43,241 --> 00:07:45,655
and to make sure that
fabrication parameters
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are well adhered to.
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00:07:50,413 --> 00:07:52,482
The juice is
filtered a first time.
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The very smallest
undesirable particles
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00:07:55,034 --> 00:07:57,551
are held back by this sieve.
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00:07:58,965 --> 00:08:01,655
The fabrication
process continues.
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Juice flows from
one stage to another
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via these immense reservoirs.
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00:08:06,896 --> 00:08:10,551
The next step will
be pasteurization.
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Juice enters this
exchanger at 72 degrees
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00:08:13,862 --> 00:08:16,172
and is heated up to 190 degrees,
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00:08:16,275 --> 00:08:19,172
then cooled back
down to 122 degrees.
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00:08:19,275 --> 00:08:21,965
Enzymes are then
added to hydrate the pectin
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00:08:22,068 --> 00:08:24,241
and facilitate the
second filtration.
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00:08:24,344 --> 00:08:27,034
This is the
ultra-filtration process,
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00:08:27,137 --> 00:08:30,379
where filter membranes
with microscopic pores
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00:08:30,482 --> 00:08:32,551
retain the smallest
of particles.
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00:08:32,655 --> 00:08:35,482
The apple juice is
now perfectly filtered.
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00:08:35,586 --> 00:08:38,241
Its clarity is verified,
as well as its flavor,
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00:08:38,344 --> 00:08:42,758
color, and natural
fruit-sugar content.
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00:08:42,861 --> 00:08:45,103
Since juice is
produced in October,
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00:08:45,206 --> 00:08:47,344
it has to be conserved
throughout the year.
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00:08:47,448 --> 00:08:49,517
A portion of the
production is stored
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in this sterile warehouse area
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to await being
bottled during the year.
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00:08:56,103 --> 00:09:00,000
Each reservoir can hold
29,000 gallons of filtered juice.
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00:09:00,103 --> 00:09:02,655
No preserving agent is added.
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00:09:07,310 --> 00:09:11,275
Now we move to the next
stage, the filling of containers.
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00:09:15,482 --> 00:09:17,379
These little drinking containers
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00:09:17,482 --> 00:09:19,724
are filled at the
rate of 100 a minute.
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00:09:19,827 --> 00:09:22,206
The containers are
then hermetically sealed.
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00:09:28,310 --> 00:09:31,724
Two little sprays of hot glue
are applied to the containers.
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00:09:31,827 --> 00:09:35,931
This secures the
straws to their sides.
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Another automated production
line fills bottles with juice.
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They circulate in a
row on this conveyor.
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Bottles are washed
and disinfected
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with hydrogen peroxide
in this white, sterile room.
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00:09:57,482 --> 00:09:59,551
Then they're rinsed
with sterile water
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before being carried
to the filling location.
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Each minute, 120
bottles are filled
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with pasteurized apple juice
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00:10:10,724 --> 00:10:14,241
and sealed with a cap
in a sterile environment.
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00:10:22,344 --> 00:10:25,448
Bottles are then labeled
and sent to shipping.
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Between 20,000 and
40,000 tons of apples
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are transformed
into juice yearly.
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Thanks to its
perfect preservation,
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consumers can enjoy this
juice at any time of the year.
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Narrator: What goes up,
they say, must come down,
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and when what's
up is an airplane,
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you need dependable landing
gear to get you back down safely.
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This critical piece
of aircraft equipment
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is the product of
expert mechanics
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combined with
sophisticated technology.
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00:11:15,137 --> 00:11:16,931
This heavy piece of steel
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00:11:17,034 --> 00:11:20,206
is the undercarriage
of a kc-135r airplane.
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00:11:20,310 --> 00:11:22,931
A landing gear
comprises a central shaft
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to which an axle and
wheels are attached.
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00:11:25,793 --> 00:11:27,689
They begin machining the shaft.
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00:11:27,793 --> 00:11:30,931
This digital lathe machines
the exterior surface of the part.
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00:11:31,034 --> 00:11:33,827
Sprays of water
and oil cool the part,
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00:11:33,931 --> 00:11:36,448
which heats up due to friction.
186
00:11:36,551 --> 00:11:39,448
They're now going
to pierce the shaft.
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00:11:39,551 --> 00:11:42,965
This drill head will ream
out the inside of the shaft.
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00:11:43,068 --> 00:11:45,344
Alignment of the
head must be perfect,
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00:11:45,448 --> 00:11:49,517
so they're cautious
with their work.
190
00:11:49,620 --> 00:11:52,551
The perforating gets under way.
191
00:11:54,965 --> 00:11:56,862
Turnings from the
cutting are saved,
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00:11:56,965 --> 00:11:58,896
and these will be
sold to foundries,
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00:11:59,000 --> 00:12:00,862
where they'll be recycled.
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00:12:03,793 --> 00:12:05,793
We see here the cutting tool
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00:12:05,896 --> 00:12:08,655
used to pierce the
holes in the landing gear.
196
00:12:11,551 --> 00:12:15,931
To perforate the part, very
sharp cutting tools are used.
197
00:12:19,896 --> 00:12:22,448
Here, they complete
an attachment hole.
198
00:12:22,551 --> 00:12:25,000
The hole is
enlarged on its sides,
199
00:12:25,103 --> 00:12:27,413
as required by
this machine tool.
200
00:12:27,517 --> 00:12:32,000
The part is cooled with
a mix of water and oil.
201
00:12:34,000 --> 00:12:35,241
Cutting is completed,
202
00:12:35,344 --> 00:12:37,827
and the hole is now cleaned
out with compressed air
203
00:12:37,931 --> 00:12:41,344
so that they can proceed
with a visual inspection.
204
00:12:41,448 --> 00:12:43,344
Here, three pieces are rough-cut
205
00:12:43,448 --> 00:12:45,344
at the same time
by this machine.
206
00:12:45,448 --> 00:12:47,379
Because they'll
be used in aviation,
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00:12:47,482 --> 00:12:50,655
these pieces have to be
machined to perfection.
208
00:12:50,758 --> 00:12:53,862
The machining of the shaft
is now almost completed.
209
00:12:55,931 --> 00:12:59,172
This deburring unit polishes
the machine's surfaces
210
00:12:59,275 --> 00:13:02,275
with a compressed-air
tool and sandpaper discs.
211
00:13:02,379 --> 00:13:05,586
And now they have to verify
the dimensions of the parts.
212
00:13:05,689 --> 00:13:09,103
This digitally controlled
machine has three axes
213
00:13:09,206 --> 00:13:12,275
and does the verification
with extreme precision.
214
00:13:17,482 --> 00:13:20,586
Here, another unit allows
for the machining of parts
215
00:13:20,689 --> 00:13:23,000
with greater dimensions.
216
00:13:28,620 --> 00:13:32,103
This facility also reconditions
used landing gears,
217
00:13:32,206 --> 00:13:34,620
such as this one
from a boeing 707.
218
00:13:34,724 --> 00:13:37,034
They strip off the
paint with a sandblaster
219
00:13:37,137 --> 00:13:41,482
to verify the condition of
the parts with great precision.
220
00:13:41,586 --> 00:13:45,551
And here are those
parts stripped clean.
221
00:13:45,655 --> 00:13:48,344
But a visual inspection
is not enough.
222
00:13:48,448 --> 00:13:51,965
They can detect cracks by
magnetic-particle concentration.
223
00:13:52,068 --> 00:13:53,758
They magnetize the part,
224
00:13:53,862 --> 00:13:57,206
and any cracks will become
visible under ultraviolet light.
225
00:13:57,310 --> 00:13:59,689
Now it's time for the
shot-metal procedure,
226
00:13:59,793 --> 00:14:02,517
where they spray steel
balls onto the metal's surface
227
00:14:02,620 --> 00:14:05,551
to increase its
resistance to fatigue.
228
00:14:05,655 --> 00:14:08,724
Before repainting the
part, they first plate it.
229
00:14:08,827 --> 00:14:11,724
The part is immersed for
10 minutes in cadmium,
230
00:14:11,827 --> 00:14:13,689
which forms a
protective coating on it
231
00:14:13,793 --> 00:14:16,344
that will resist corrosion.
232
00:14:16,448 --> 00:14:18,620
Then the part is quickly soaked
233
00:14:18,724 --> 00:14:21,724
in a weak concentration
of chromic acid.
234
00:14:26,000 --> 00:14:29,965
Water, agitated by air jets,
cleans away the chromic acid,
235
00:14:30,068 --> 00:14:33,137
and the part is rinsed
with water another time.
236
00:14:33,241 --> 00:14:37,586
The part is now baked at
375 degrees over 23 hours
237
00:14:37,689 --> 00:14:42,862
to remove hydrogen induced
during the plating process.
238
00:14:42,965 --> 00:14:47,310
Then the part is immersed in
liquid nitrogen at -200 degrees
239
00:14:47,413 --> 00:14:51,448
before it's inserted in
order to reduce its size.
240
00:14:51,551 --> 00:14:55,517
This collar is easily pushed
on with a hydraulic jack.
241
00:14:57,724 --> 00:15:01,275
Reheating the collar makes
it return to its normal size.
242
00:15:01,379 --> 00:15:04,310
Now the different components
and the leakproof joints
243
00:15:04,413 --> 00:15:08,000
are inserted into the piston.
244
00:15:08,103 --> 00:15:11,103
The shock-absorber
tube goes into the piston.
245
00:15:11,206 --> 00:15:15,068
This part absorbs the shock
stresses when an aircraft lands.
246
00:15:15,172 --> 00:15:18,172
The piston is now
slid into the cylinder,
247
00:15:18,275 --> 00:15:23,551
and they verify that the
shock absorber is leakproof.
248
00:15:23,655 --> 00:15:27,655
Fabrication finishes with
paint baked in an oven.
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00:15:27,758 --> 00:15:29,689
Some six to eight
months are required
250
00:15:29,793 --> 00:15:31,413
to make a new landing gear
251
00:15:31,517 --> 00:15:36,344
and between six to eight
weeks to recondition a used one.
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00:15:45,137 --> 00:15:49,000
Narrator: Perfume, eye
shadow, foundation, lipstick --
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00:15:49,103 --> 00:15:51,793
they're all products
of a huge industry
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00:15:51,896 --> 00:15:54,896
driven by our desire for beauty.
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00:15:55,000 --> 00:15:57,517
Well, "how it's made"
is about to show you
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00:15:57,620 --> 00:15:59,931
how they manufacture cosmetics,
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00:16:00,034 --> 00:16:03,448
and we assure you,
we're not making this up.
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00:16:10,379 --> 00:16:12,655
During archaeological
excavations,
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00:16:12,758 --> 00:16:14,758
mummies were
discovered wearing makeup,
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00:16:14,862 --> 00:16:17,482
the Egyptian technique
of enhancing eye contours
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00:16:17,586 --> 00:16:20,655
with antimony, lead,
and metal oxides --
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00:16:20,758 --> 00:16:23,482
all toxic, lethal substances.
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00:16:23,586 --> 00:16:26,034
Greek women also
adorned their cheeks
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00:16:26,137 --> 00:16:28,793
with a dye made from lead oxide.
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00:16:28,896 --> 00:16:33,103
In 1910, Florence Nightingale,
under the name Elizabeth Arden,
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00:16:33,206 --> 00:16:35,586
would change the
whole makeup picture,
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00:16:35,689 --> 00:16:39,482
launching the vogue for
cosmetics without toxic agents.
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00:16:47,275 --> 00:16:51,379
Cosmetics have been in
existence since the dawn of time.
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00:16:51,482 --> 00:16:55,172
There are many ingredients
that make up a cosmetic formula.
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00:16:55,275 --> 00:16:58,103
The industry heavily
uses iron oxides
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00:16:58,206 --> 00:17:01,724
to color its products in a
multitude of attractive tones.
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00:17:01,827 --> 00:17:04,931
Before moving into
fabrication, each ingredient
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00:17:05,034 --> 00:17:07,655
must be carefully and
accurately weighed.
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00:17:07,758 --> 00:17:11,000
These raw materials are
often dry, such as powder,
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00:17:11,103 --> 00:17:14,619
but can also be liquid
and even oil or wax.
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00:17:14,723 --> 00:17:17,137
Every ingredient will
have first been approved
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00:17:17,241 --> 00:17:19,862
by the quality-control
laboratory.
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00:17:19,964 --> 00:17:23,758
A single formula may
contain over 50 ingredients.
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00:17:29,827 --> 00:17:32,758
The other essential
ingredient is water.
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00:17:32,862 --> 00:17:35,379
The water used in
making cosmetics
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00:17:35,482 --> 00:17:39,034
is first purified by an
inverse-osmosis system.
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00:17:39,137 --> 00:17:41,689
When it meets strict
company standards,
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00:17:41,793 --> 00:17:44,724
it is put into a
stainless-steel tank.
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00:17:47,344 --> 00:17:49,758
Depending on the
complexity of the recipe,
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00:17:49,862 --> 00:17:55,241
between 4 and 10 hours of work
are needed to make up a product.
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00:17:55,344 --> 00:17:57,620
Let's begin with a
bubble-bath recipe.
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00:17:57,724 --> 00:18:01,310
A part of the recipe is prepared
in an adjoining container
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00:18:01,413 --> 00:18:03,724
to make certain
ingredients more soluble.
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00:18:03,827 --> 00:18:05,862
A stainless-steel
screw propeller
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00:18:05,965 --> 00:18:08,931
mixes all the
ingredients thoroughly.
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00:18:12,517 --> 00:18:15,034
All along its
fabrication processing,
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00:18:15,137 --> 00:18:17,793
the product will be
subjected to many tests.
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00:18:17,896 --> 00:18:21,310
Here, an acid-based
neutralization-reaction test
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00:18:21,413 --> 00:18:25,965
is performed with
a color indicator.
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00:18:26,068 --> 00:18:28,206
The bubble bath
has to be colored.
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00:18:28,310 --> 00:18:30,206
A fragrance and
a color are added,
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00:18:30,310 --> 00:18:34,068
for in this recipe, the
final product will be mauve.
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00:18:37,379 --> 00:18:39,206
Before the filling process,
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00:18:39,310 --> 00:18:42,620
the quality-control and
microbiology laboratories
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00:18:42,724 --> 00:18:47,000
make sure that the product
meets strict quality standards.
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00:18:47,103 --> 00:18:48,827
Now it's on to the next step.
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00:18:48,931 --> 00:18:51,241
This filler can
simultaneously fill
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00:18:51,344 --> 00:18:53,724
up to 12 700-milliliter bottles
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00:18:53,827 --> 00:18:56,931
at a steady pace
of 50 per minute.
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00:18:57,034 --> 00:18:59,275
The fill level is
adjusted electronically.
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00:18:59,379 --> 00:19:02,482
Capping remains to be done.
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00:19:02,586 --> 00:19:06,068
This capper positions and
tightens the caps automatically.
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00:19:06,172 --> 00:19:09,689
Urethane rollers apply
the precise tightening force.
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00:19:12,172 --> 00:19:15,896
The bottles now pass
beneath a sealer via induction,
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00:19:16,000 --> 00:19:18,103
which generates
a magnetic field,
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00:19:18,206 --> 00:19:20,344
heating the metal
piece placed in the cap.
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00:19:20,448 --> 00:19:25,931
When hot enough, it welds
itself onto the neck of the bottle.
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00:19:26,034 --> 00:19:29,724
Another product made
here is the peeling mask.
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00:19:29,827 --> 00:19:31,862
The mask is poured
into this funnel,
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00:19:31,965 --> 00:19:34,827
whose end is attached
to the tube-filler pipe.
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00:19:34,931 --> 00:19:38,275
The product
descends via gravity.
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00:19:38,379 --> 00:19:42,862
The filler pours the peeling
mask into 50 tubes each minute.
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00:19:46,172 --> 00:19:50,000
Then, with heat and crimping,
the tube end is sealed,
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00:19:50,103 --> 00:19:54,862
and the tube
heads for packaging.
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00:19:54,965 --> 00:19:59,551
Other products made here
-- Cologne and perfume.
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00:19:59,655 --> 00:20:02,586
The liquid is drawn
into the bottle by suction.
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00:20:02,689 --> 00:20:06,275
This rotating filler operates
with intermittent vacuum
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00:20:06,379 --> 00:20:07,896
to fill 50 bottles a minute.
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00:20:08,000 --> 00:20:10,862
Bottles are positioned
beneath the 16 filling spouts
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00:20:10,965 --> 00:20:14,275
that seal their opening to allow
for the creation of a vacuum,
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00:20:14,379 --> 00:20:15,896
which draws in the product.
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00:20:16,000 --> 00:20:18,758
Now atomizer pumps are inserted.
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00:20:18,862 --> 00:20:21,068
Handling two bottles
simultaneously,
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00:20:21,172 --> 00:20:22,827
this machine seals the pump,
330
00:20:22,931 --> 00:20:25,413
securing it around
the neck of the bottle.
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00:20:25,517 --> 00:20:27,896
We see the white
sleeve aligning the pump,
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00:20:28,000 --> 00:20:30,586
while the gray one
tightens the pump.
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00:20:30,689 --> 00:20:33,862
Then there are the sprayers.
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00:20:33,965 --> 00:20:36,620
{\an8}This machine applies
the spray stoppers
335
00:20:36,724 --> 00:20:39,793
{\an8}and, with a hammer, presses
them onto the pumps of the bottles,
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00:20:39,896 --> 00:20:41,413
{\an8}which are now finished.
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00:20:45,103 --> 00:20:48,034
{\an8}And one final product
-- roll-on deodorants.
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00:20:48,137 --> 00:20:50,655
{\an8}This machine fills
115 bottles a minute,
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00:20:50,758 --> 00:20:53,034
{\an8}handling 8 bottles at a time.
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00:20:53,137 --> 00:20:55,862
{\an8}A filling stem pours the
product into the bottle,
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00:20:55,965 --> 00:20:59,551
{\an8}and here they place the
roller ball at 115 per minute.
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00:20:59,655 --> 00:21:02,517
{\an8}Then the ball is lightly
pressed into the cavity
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00:21:02,620 --> 00:21:05,137
{\an8}in which it turns freely.
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00:21:05,241 --> 00:21:07,689
{\an8}This plant makes over
1,200 different products
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00:21:07,793 --> 00:21:11,793
{\an8}and yearly sells 32
million items per year.
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00:21:17,758 --> 00:21:20,310
{\an8}If you have any
comments about the show,
347
00:21:20,413 --> 00:21:22,965
{\an8}or if you'd like to suggest
topics for future shows,
348
00:21:23,068 --> 00:21:25,103
{\an8}drop us a line at...
28613
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