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--captions by vitac--
Www.Vitac.Com
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Captions paid for by
Discovery communications
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A well-made knife is an
Essential tool in any kitchen.
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00:00:57,206 --> 00:00:59,172
Having a sharp blade
Can be the difference
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Between a perfect meal
And a culinary nightmare.
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00:01:02,689 --> 00:01:04,931
No matter
How expensive the knife is,
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00:01:04,931 --> 00:01:06,896
It will dull with use.
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00:01:06,896 --> 00:01:08,517
A high-quality sharpening steel
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Can restore any knife
To its former glory.
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Professional-grade sharpening
Steels have an oval shape.
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00:01:18,689 --> 00:01:22,517
The shape provides more surface
Area for efficient sharpening
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00:01:22,517 --> 00:01:24,103
And allows pro chefs
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To hone their blades
Frequently as they work.
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00:01:33,413 --> 00:01:36,241
The manufacturing process
Begins with a machine
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00:01:36,241 --> 00:01:39,965
That quickly cuts rods
Of oval steel.
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00:01:39,965 --> 00:01:41,379
From handle to tip,
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00:01:41,379 --> 00:01:44,586
The finished sharpening steel
Will be 12.5 inches.
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00:01:47,793 --> 00:01:49,965
A custom-made lathe
Grips the rods
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00:01:49,965 --> 00:01:52,655
And guides them
Inside a cutting area.
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00:01:52,655 --> 00:01:58,655
The lathe rounds off one end
To fit inside the handle.
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00:01:58,655 --> 00:02:02,068
It sprays the steel with cooling
Liquid to prevent overheating
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00:02:02,068 --> 00:02:04,551
During the cutting process.
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00:02:07,896 --> 00:02:12,275
Next, they use a device
Called a drawing machine.
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00:02:12,275 --> 00:02:13,724
Ultra-fine teeth
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00:02:13,724 --> 00:02:17,344
Scrape the steel to create
An abrasive sharpening surface.
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00:02:17,344 --> 00:02:18,862
The grain of the abrasions
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00:02:18,862 --> 00:02:24,068
Runs parallel to the length
Of the steel.
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00:02:24,068 --> 00:02:26,793
The steel is still soft enough
For a stamping machine
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00:02:26,793 --> 00:02:28,551
To punch in the company logo.
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00:02:32,724 --> 00:02:34,931
In an oven,
They heat the steel rods
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00:02:34,931 --> 00:02:38,137
To 1,500° fahrenheit.
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00:02:38,137 --> 00:02:41,000
Then, a machine dips the rods
In a pool of saltwater,
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00:02:41,000 --> 00:02:42,344
To harden them.
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00:02:47,965 --> 00:02:49,379
The sharpening steel
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00:02:49,379 --> 00:02:53,862
Is now 20% harder than
The average kitchen knife.
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00:02:53,862 --> 00:02:57,379
A worker dips the components in
A series of baths to clean them.
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00:03:01,517 --> 00:03:04,068
Next, a machine
With multiple nozzles
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00:03:04,068 --> 00:03:06,931
Blasts sand
Onto the sharpening steels.
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00:03:06,931 --> 00:03:09,206
The sand cleans off
The residue left over
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00:03:09,206 --> 00:03:10,931
From the production process
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00:03:10,931 --> 00:03:13,172
And prepares the steel
For chrome plating.
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00:03:19,689 --> 00:03:22,517
The chrome plating protects
The surface from rust.
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00:03:26,862 --> 00:03:29,413
An enormous industrial-
Strength dishwasher
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00:03:29,413 --> 00:03:32,896
Cleans the sharpening steels.
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00:03:32,896 --> 00:03:35,758
Then, workers conduct
A quality-control inspection
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00:03:35,758 --> 00:03:39,310
Of the abrasive
Sharpening surfaces.
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00:03:39,310 --> 00:03:40,689
The sharpening steels
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00:03:40,689 --> 00:03:43,068
Have been changed
From their original oval shape.
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00:03:48,103 --> 00:03:49,517
Using a set of high-speed,
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00:03:49,517 --> 00:03:52,068
Specially calibrated
Sanding belts,
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00:03:52,068 --> 00:03:55,862
A preprogrammed robot smooths
And shapes the steel.
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00:03:59,172 --> 00:04:04,068
The final piece has
A polished and rounded look.
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00:04:04,068 --> 00:04:06,724
A grinding machine
Carefully tapers the metal
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00:04:06,724 --> 00:04:08,862
To give the steel
Its sword-like shape.
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00:04:10,827 --> 00:04:15,931
It takes more than 50 steps
To create a sharpening steel.
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00:04:15,931 --> 00:04:17,931
A machining tool
Drills and taps
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00:04:17,931 --> 00:04:20,275
The rounded end
Of the sharpening steel.
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00:04:20,275 --> 00:04:23,172
This creates a threaded hole
For attaching a handle.
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00:04:27,655 --> 00:04:30,379
The handle includes a section
That folds down,
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00:04:30,379 --> 00:04:32,482
Allowing it to double as a hook.
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00:04:36,310 --> 00:04:39,172
A worker applies glue
And installs two rivets
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00:04:39,172 --> 00:04:41,862
To hold the wood section
Of the handle in place.
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00:04:44,310 --> 00:04:47,965
The wood handle is carved out of
A 100-year-old oak wine barrel.
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00:04:51,931 --> 00:04:54,586
A worker carefully
Sands the edges of the handle,
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00:04:54,586 --> 00:04:56,517
Ensuring a smooth grip.
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00:04:58,827 --> 00:05:01,448
Another worker applies
A protective coating of wax
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00:05:01,448 --> 00:05:02,793
To the wood handle.
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00:05:06,103 --> 00:05:09,551
A worker installs the third
And final rivet.
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00:05:09,551 --> 00:05:12,793
It bears the company's logo.
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00:05:12,793 --> 00:05:14,517
They install this rivet last
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00:05:14,517 --> 00:05:17,620
So it's not damaged
During the finishing process.
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00:05:23,413 --> 00:05:24,965
After a final cleaning,
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00:05:24,965 --> 00:05:28,517
The sharpening steels are ready
To be packed up and shipped out.
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00:05:38,551 --> 00:05:41,551
It takes a lot of slicing,
Chopping, and dicing
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00:05:41,551 --> 00:05:45,827
To make a great meal, but,
With a good sharpening steel,
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00:05:45,827 --> 00:05:47,413
Cutting is never dull.
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00:06:02,241 --> 00:06:04,827
Environmental laws
Require many industries
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00:06:04,827 --> 00:06:08,413
To monitor groundwater
For contamination.
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00:06:08,413 --> 00:06:09,965
An engineering firm
Is usually hired
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00:06:09,965 --> 00:06:14,000
To collect the groundwater
Samples for testing.
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00:06:14,000 --> 00:06:17,103
Some firms collect samples
Using a bladder pump.
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00:06:17,103 --> 00:06:20,413
It's a small device that pumps
Water using pressured air.
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00:06:22,413 --> 00:06:25,862
It's called a bladder pump
Because the flexible tube inside
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00:06:25,862 --> 00:06:29,620
Works like a human bladder
Connected to a catheter.
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00:06:29,620 --> 00:06:32,896
When compressed, it forces the
Groundwater out of the pump
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00:06:32,896 --> 00:06:36,241
And into the sample
Collection container.
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00:06:36,241 --> 00:06:38,137
The pump is made
From polyethylene
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00:06:38,137 --> 00:06:41,413
Because it's flexible and inert.
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00:06:41,413 --> 00:06:44,965
The plastic is immune to
Chemical or biological reactions
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00:06:44,965 --> 00:06:48,793
That could contaminate
The water sample.
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00:06:48,793 --> 00:06:51,379
The extruder melts
The polyethylene pellets
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00:06:51,379 --> 00:06:55,310
And forces the liquid
Through a tube-shaped eye.
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00:06:55,310 --> 00:06:59,137
Then, it uses cold water
To cool and solidify the poly.
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00:06:59,137 --> 00:07:01,241
This produces a 1-inch tube.
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00:07:03,931 --> 00:07:06,931
A razor cutter slices
The tube into either
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00:07:06,931 --> 00:07:12,689
15- or 32-inch-long pieces,
Depending on the pump size.
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00:07:12,689 --> 00:07:14,241
They use a different eye
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00:07:14,241 --> 00:07:17,517
To produce a wider pvc plastic
Tube for the pump's housing.
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00:07:19,896 --> 00:07:22,413
This tube goes
On a computer-guided lathe,
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00:07:22,413 --> 00:07:25,586
Which cuts threads on the ends.
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00:07:25,586 --> 00:07:28,137
The same lathe works
With a computer-guided mill
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00:07:28,137 --> 00:07:30,241
To shape the pump's top cap.
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00:07:30,241 --> 00:07:34,344
It's also made from pvc plastic.
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00:07:34,344 --> 00:07:37,896
They make the pump's bottom cap
And bladder cap the same way.
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00:07:40,206 --> 00:07:43,551
The lathe also carves
A solid rod of stainless steel
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00:07:43,551 --> 00:07:46,103
Into a small disc-shaped weight.
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00:07:46,103 --> 00:07:48,137
The weight helps the pump sink
In the water
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00:07:48,137 --> 00:07:49,827
And collect the samples.
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00:07:53,448 --> 00:07:56,206
A technician preps the weights
For engraving.
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00:07:58,724 --> 00:08:01,344
He sprays them to hide
Their shiny surface.
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00:08:03,724 --> 00:08:05,689
Without this masking,
The laser
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00:08:05,689 --> 00:08:08,344
Would bounce off the surface,
Instead of penetrating it.
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00:08:11,586 --> 00:08:13,034
He loads the weights into
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00:08:13,034 --> 00:08:18,103
The computer-guided engraving
Machine, then starts it up.
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00:08:19,931 --> 00:08:22,517
The laser engraves the name
Of the manufacturer,
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00:08:22,517 --> 00:08:24,758
The pump's model number,
Serial number,
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And other product information.
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00:08:33,413 --> 00:08:36,655
When the engraving is complete,
He separates the weights
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00:08:36,655 --> 00:08:39,034
And washes off the coating
With water.
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00:08:43,241 --> 00:08:45,517
Next, they make
The air supply line.
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00:08:45,517 --> 00:08:48,965
They mix 2% concentrated
Blue polyethylene pellets
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00:08:48,965 --> 00:08:51,724
With 98% colorless ones.
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00:08:54,517 --> 00:08:56,482
They use the same extruder
As before
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00:08:56,482 --> 00:08:59,517
To create a narrow tube;
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00:08:59,517 --> 00:09:01,793
As well as an opaque
Polyethylene tube,
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00:09:01,793 --> 00:09:03,724
For the pump's discharge line.
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00:09:06,586 --> 00:09:08,379
Then, they combine
The air supply
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00:09:08,379 --> 00:09:12,000
And water discharge tubes
With a heat-bonding machine.
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00:09:12,000 --> 00:09:15,413
It bonds them
In 6-inch intervals.
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00:09:15,413 --> 00:09:17,034
This lets engineers in the field
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00:09:17,034 --> 00:09:19,137
Cut the tubes
To the length they need.
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00:09:22,827 --> 00:09:26,206
Now, it's time to assemble
The bladder pump.
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00:09:26,206 --> 00:09:27,655
They fit the top of the bladder
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00:09:27,655 --> 00:09:30,482
Into a cap that has
A hollow center rod.
135
00:09:32,275 --> 00:09:34,827
They place an o-ring seal
Around another cap
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00:09:34,827 --> 00:09:37,965
And attach that cap
To the bottom of the bladder.
137
00:09:37,965 --> 00:09:41,310
The o-ring will prevent water
From leaking out of the pump
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00:09:41,310 --> 00:09:43,275
And air from seeping in.
139
00:09:45,310 --> 00:09:48,344
They insert a ball-shaped
Valve in the top cap.
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00:09:48,344 --> 00:09:52,896
Then, they attach a hose bar for
Connecting the discharge line.
141
00:09:52,896 --> 00:09:55,344
They insert the bladder
Into the pump's housing.
142
00:09:58,310 --> 00:10:00,275
They connect an air supply
Hose barb
143
00:10:00,275 --> 00:10:02,689
Next to the discharge hose barb.
144
00:10:06,620 --> 00:10:09,379
They place the weight
On the bottom cap of the pump
145
00:10:09,379 --> 00:10:11,655
And insert another
Ball-shaped valve.
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00:10:13,482 --> 00:10:16,000
They complete the pump
By attaching the bottom cap
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00:10:16,000 --> 00:10:17,689
To the bottom of the bladder.
148
00:10:21,310 --> 00:10:23,758
When engineers submerge
The pump in a well,
149
00:10:23,758 --> 00:10:27,206
Water enters through the bottom
And slowly fills the bladder.
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00:10:29,000 --> 00:10:31,275
They drive compressed air
Into the pump housing
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00:10:31,275 --> 00:10:33,896
Via the air supply tube.
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00:10:33,896 --> 00:10:37,517
The pressurized air surrounds
The bladder, squeezing it.
153
00:10:37,517 --> 00:10:39,034
This forces the lower ball
154
00:10:39,034 --> 00:10:41,034
To close off the bottom
Of the pump,
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00:10:41,034 --> 00:10:44,103
Trapping the water sample
Inside the bladder.
156
00:10:44,103 --> 00:10:47,103
The trapped water moves the ball
At the top of the pump,
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00:10:47,103 --> 00:10:49,620
Which clears the exit route.
158
00:10:49,620 --> 00:10:53,517
Then, they send bursts of air
To the pump in timed intervals.
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00:10:53,517 --> 00:10:56,793
Each burst squeezes the bladder.
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00:10:56,793 --> 00:11:01,896
This gradually forces the water
Sample to the top of the pump.
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00:11:01,896 --> 00:11:04,827
It's then collected
In a container on the surface.
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00:11:16,758 --> 00:11:19,413
It helps to have a flat surface
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00:11:19,413 --> 00:11:21,931
When you're ironing
Wrinkled clothing.
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00:11:21,931 --> 00:11:23,275
The first ironing boards
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00:11:23,275 --> 00:11:27,137
Were simple wooden panels
Held up at ends by chairs.
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00:11:27,137 --> 00:11:30,379
Folding legs were added
In the 1860s,
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00:11:30,379 --> 00:11:32,137
Creating a standalone structure
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00:11:32,137 --> 00:11:34,586
That could be collapsed
For easy storage.
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00:11:38,275 --> 00:11:39,896
This professional ironing board
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00:11:39,896 --> 00:11:42,724
Is equipped
For every pressing need.
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00:11:42,724 --> 00:11:44,172
Its heated surface
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00:11:44,172 --> 00:11:48,206
Ensures that every garment
Is expertly steamed or ironed.
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00:11:48,206 --> 00:11:50,758
Each board starts
With a hand-drawn design
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00:11:50,758 --> 00:11:53,931
That includes
Detailed measurements.
175
00:11:53,931 --> 00:11:57,344
They upload the information
To a computer.
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00:11:57,344 --> 00:11:58,689
Computer-guided tools
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00:11:58,689 --> 00:12:02,965
Cut the ironing board surface
Out of steel.
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00:12:02,965 --> 00:12:07,241
Then, they drill 300 vent holes.
179
00:12:07,241 --> 00:12:10,620
A machine melts and molds
Plastic under pressure.
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00:12:10,620 --> 00:12:15,275
It creates 20 different parts,
Including this control panel.
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00:12:15,275 --> 00:12:17,827
The plastic
Is a strong polycarbonate
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00:12:17,827 --> 00:12:22,482
That won't deteriorate when
Exposed to the heat of an iron.
183
00:12:22,482 --> 00:12:24,000
The molded components include
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00:12:24,000 --> 00:12:25,758
The ironing board's
Base structure
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00:12:25,758 --> 00:12:30,344
And numerous body parts
And attachments.
186
00:12:30,344 --> 00:12:32,655
A worker assembles
The fan's motor.
187
00:12:32,655 --> 00:12:35,862
The fan will blow the fabric
For easy steaming
188
00:12:35,862 --> 00:12:38,241
Or suction the fabric
To keep it on the board.
189
00:12:43,172 --> 00:12:46,000
He secures the fan shaft
To the base plate and motor.
190
00:12:51,344 --> 00:12:53,275
He flips the structure over
191
00:12:53,275 --> 00:12:55,724
And installs a small fan
For cooling the motor.
192
00:13:00,896 --> 00:13:04,000
He fastens the cooling fan
To the shaft with a clip.
193
00:13:07,344 --> 00:13:09,275
Next, he inserts
A metal base plate
194
00:13:09,275 --> 00:13:11,620
In the ironing board's
Molded plastic housing.
195
00:13:15,241 --> 00:13:19,034
He places an electric coil
Underneath the ironing surface.
196
00:13:23,482 --> 00:13:26,034
He bends the tabs
On the plate around the element
197
00:13:26,034 --> 00:13:27,655
To secure it in place.
198
00:13:31,241 --> 00:13:35,241
He then makes the makes
The electrical connections.
199
00:13:35,241 --> 00:13:38,000
He installs the perforated
Steel plate on top.
200
00:13:42,241 --> 00:13:44,620
Then, he screws the plate
To the rest of the unit.
201
00:13:53,448 --> 00:13:56,310
He flips the ironing board
Over and tucks the fan
202
00:13:56,310 --> 00:13:58,413
Into a molded plastic slot
In the back.
203
00:14:02,379 --> 00:14:05,206
He screws the fan to the rim
Of the plastic compartment.
204
00:14:11,517 --> 00:14:15,103
He transfers the ironing table
To a rack until the next step.
205
00:14:19,068 --> 00:14:20,586
When the worker's ready,
206
00:14:20,586 --> 00:14:25,275
He places the central body part
Over the fan and electronics.
207
00:14:25,275 --> 00:14:27,241
He attaches the wired
Control panel
208
00:14:27,241 --> 00:14:28,965
To the end of the ironing board.
209
00:14:34,310 --> 00:14:39,275
He drives large pins into it to
Secure it to the molded casing.
210
00:14:39,275 --> 00:14:41,551
He connects the the control
Panel to the fan,
211
00:14:41,551 --> 00:14:43,793
The heating element,
The thermostat,
212
00:14:43,793 --> 00:14:46,379
And the temperature sensors.
213
00:14:46,379 --> 00:14:50,275
He tucks the wiring
Into the central body part.
214
00:14:50,275 --> 00:14:52,724
He attaches a latch
For accessing the mechanics
215
00:14:52,724 --> 00:14:55,034
Of the ironing board.
216
00:14:55,034 --> 00:14:57,448
Then, he screws a molded
Plastic side plate
217
00:14:57,448 --> 00:15:00,586
To the central body part.
218
00:15:00,586 --> 00:15:02,620
He closes the control panel,
219
00:15:02,620 --> 00:15:05,896
Encasing the mechanics
Of the ironing board.
220
00:15:05,896 --> 00:15:08,448
He secures the legs
To the central body part
221
00:15:08,448 --> 00:15:10,275
Using a pivot mechanism.
222
00:15:10,275 --> 00:15:12,103
In this professional
Ironing board,
223
00:15:12,103 --> 00:15:15,551
The work surface folds
And unfolds.
224
00:15:15,551 --> 00:15:18,206
The legs will remain stable
At all times.
225
00:15:21,793 --> 00:15:26,344
He secures the legs with
The molded plastic structure.
226
00:15:26,344 --> 00:15:28,586
He turns the knob
On the pivot mechanism
227
00:15:28,586 --> 00:15:29,896
To set the board's height.
228
00:15:33,310 --> 00:15:35,103
He peels the protective plastic
229
00:15:35,103 --> 00:15:37,206
Off of the perforated
Steel structure.
230
00:15:42,517 --> 00:15:45,965
He fits an elastic cover snugly
Over the ironing board.
231
00:15:45,965 --> 00:15:48,000
It's made of breathable,
Synthetic fabric
232
00:15:48,000 --> 00:15:49,344
And foam padding.
233
00:15:54,275 --> 00:15:56,655
The worker tests
The ironing board.
234
00:15:56,655 --> 00:15:59,965
He sets plastic-covered pods
On the ironing board.
235
00:15:59,965 --> 00:16:03,931
He activates the blow function
And the plastic expands.
236
00:16:03,931 --> 00:16:05,758
Then, he activates
The suction option
237
00:16:05,758 --> 00:16:07,448
And the plastic collapses.
238
00:16:11,172 --> 00:16:16,379
The tests confirm that the
Ironing board works properly,
239
00:16:16,379 --> 00:16:19,517
Ensuring that these ironing jobs
Will go more smoothly.
240
00:16:31,586 --> 00:16:34,689
Kayaking with a proper paddle
Can make the experience
241
00:16:34,689 --> 00:16:36,379
More comfortable
And more efficient
242
00:16:36,379 --> 00:16:38,689
For a longer period of time.
243
00:16:38,689 --> 00:16:41,344
Paddle designs are different
For flatwater kayaking,
244
00:16:41,344 --> 00:16:44,034
Versus whitewater kayaking.
245
00:16:44,034 --> 00:16:45,965
Within both those categories,
246
00:16:45,965 --> 00:16:49,103
There are many different blade
Shapes and shaft designs.
247
00:16:52,655 --> 00:16:56,448
This is a premium
Touring kayak paddle.
248
00:16:56,448 --> 00:17:01,413
It's designed to be stiff,
Strong, and very lightweight.
249
00:17:01,413 --> 00:17:05,000
The angle of the blades
Is called the feather angle.
250
00:17:05,000 --> 00:17:07,034
Kayakers can adjust
The feather angle
251
00:17:07,034 --> 00:17:09,482
For wrist comfort
And aerodynamics.
252
00:17:11,862 --> 00:17:14,517
The first step is to make
The mold for the blade.
253
00:17:16,034 --> 00:17:18,827
It's comprised
Of many complex parts.
254
00:17:18,827 --> 00:17:22,000
Each one is shaped out of
A block of copper or steel.
255
00:17:28,827 --> 00:17:32,379
This is a high-precision
Process.
256
00:17:32,379 --> 00:17:34,758
Producing a mold
For just one blade style
257
00:17:34,758 --> 00:17:37,172
Costs about $100,000.
258
00:17:40,896 --> 00:17:42,827
Once all the components
Are ready,
259
00:17:42,827 --> 00:17:45,827
Workers assemble the mold.
260
00:17:45,827 --> 00:17:48,413
The corners
Have long alignment pins.
261
00:17:48,413 --> 00:17:49,862
The pins guide the mold
262
00:17:49,862 --> 00:17:52,448
As it opens and closes
On the injection press.
263
00:17:57,689 --> 00:18:01,310
Workers mount the mold
On the press,
264
00:18:01,310 --> 00:18:04,448
Then load transparent nylon
Pellets into the hopper.
265
00:18:08,310 --> 00:18:10,517
They position a black
Reinforcement rib
266
00:18:10,517 --> 00:18:14,586
Inside the blade mold.
267
00:18:14,586 --> 00:18:17,275
The press closes and injects
Hot, melted nylon
268
00:18:17,275 --> 00:18:19,034
Into the mold cavity.
269
00:18:19,034 --> 00:18:22,758
Then, the press cools the mold
And solidifies the nylon.
270
00:18:22,758 --> 00:18:26,965
The mold opens and ejects
The kayak blade,
271
00:18:26,965 --> 00:18:30,172
Which is now reinforced with
The newly incorporated rib.
272
00:18:33,620 --> 00:18:36,655
This entire molding process
Takes 3 minutes.
273
00:18:40,034 --> 00:18:43,103
The press only molds
A preliminary shape.
274
00:18:43,103 --> 00:18:45,655
Next, they clamp the blade
To a template
275
00:18:45,655 --> 00:18:47,827
And start up
A computer-guided router.
276
00:18:50,655 --> 00:18:53,689
The computer contours the blade
To its final shape.
277
00:18:58,965 --> 00:19:02,827
Here's the blade
Before and after this step.
278
00:19:02,827 --> 00:19:05,862
The shaft is made
Of molded carbon fiber.
279
00:19:05,862 --> 00:19:09,517
Each paddle is comprised
Of two connecting sections.
280
00:19:09,517 --> 00:19:14,655
Workers prepare a right and left
Shaft piece for each paddle.
281
00:19:14,655 --> 00:19:17,172
They saw each one
To the required length
282
00:19:17,172 --> 00:19:20,034
And cut orientation slots
In the end.
283
00:19:20,034 --> 00:19:23,206
The orientation slots correctly
Position the piece,
284
00:19:23,206 --> 00:19:26,793
Relative to the feather angle
Adjustment mechanism.
285
00:19:26,793 --> 00:19:29,103
They roughen the surface area
With a belt sander
286
00:19:29,103 --> 00:19:30,827
To optimize adhesion.
287
00:19:35,206 --> 00:19:37,448
They apply a fifth layer
Of epoxy glue...
288
00:19:42,931 --> 00:19:45,172
Then insert the shaft
Into the blade.
289
00:19:51,965 --> 00:19:55,413
They wipe away the excess,
290
00:19:55,413 --> 00:19:58,034
Then let the glue dry
For 24 hours.
291
00:20:00,620 --> 00:20:04,000
Next, they assemble the feather
Angle adjustment mechanism.
292
00:20:04,000 --> 00:20:07,103
They place a nylon
Retaining cap on a spring
293
00:20:07,103 --> 00:20:09,965
And insert the spring
Into a nylon housing.
294
00:20:09,965 --> 00:20:12,068
They flip the assembly over
295
00:20:12,068 --> 00:20:14,551
And put it into
An ultrasonic welder.
296
00:20:14,551 --> 00:20:16,379
Then, they place
Another retaining cap
297
00:20:16,379 --> 00:20:19,793
On the other end of the spring.
298
00:20:19,793 --> 00:20:23,137
The welder uses high frequencies
To generate heat.
299
00:20:23,137 --> 00:20:25,965
The heat melts the nylon
And quickly fuses
300
00:20:25,965 --> 00:20:28,000
The second retaining cap
To the housing.
301
00:20:31,172 --> 00:20:34,206
They attach the part
To the rest of the paddle.
302
00:20:34,206 --> 00:20:37,862
Then, they glue it
Into the right shaft piece.
303
00:20:37,862 --> 00:20:40,241
They wipe away the excess glue
304
00:20:40,241 --> 00:20:44,827
And attach the final section
Of the adjustment mechanism.
305
00:20:44,827 --> 00:20:49,000
They wrap tape around the
Mechanism to contain the glue.
306
00:20:49,000 --> 00:20:50,724
After the glue has dried,
307
00:20:50,724 --> 00:20:52,896
They connect the right
And left sides of the paddle
308
00:20:52,896 --> 00:20:55,793
With the feather
Angle adjustment.
309
00:20:55,793 --> 00:20:57,413
They put it
In the lock position,
310
00:20:57,413 --> 00:20:59,413
Which is indicated
By a white line.
311
00:21:01,827 --> 00:21:05,206
They apply a decal
Denoting the feather angles;
312
00:21:05,206 --> 00:21:09,275
Then, a second decal,
Illustrating how to select them.
313
00:21:09,275 --> 00:21:13,896
A third decal with the brand
Name goes on the blade.
314
00:21:13,896 --> 00:21:16,517
Adjusting the feather angle
Is simple.
315
00:21:16,517 --> 00:21:20,000
First, you push the left and
Right shafts toward the middle
316
00:21:20,000 --> 00:21:22,620
And rotate them
To the desired angle.
317
00:21:22,620 --> 00:21:23,965
Then, you pull them apart,
318
00:21:23,965 --> 00:21:26,172
To lock it
In the new blade position.
319
00:21:26,172 --> 00:21:29,344
Some paddle models do not have
Feather angle adjustments,
320
00:21:29,344 --> 00:21:32,655
However, every kayak paddle
This company produces
321
00:21:32,655 --> 00:21:37,137
Separates into two pieces,
To make transporting easier.
26200
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