All language subtitles for S26E08 - Stile and Rail Doors; Steam Cleaners; Hand-Held Pizzas; Power Brushes (1080p AMZN WEB-DL x265 Garshasp)_track4_[eng]
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--captions by vitac--
Www.Vitac.Com
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Captions paid for by
Discovery communications
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Narrator:
Today on "How it's made" --
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...Stile and rail doors...
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...Steam cleaners...
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...Hand-held pizzas...
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...And power brushes.
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Many doors are made
Of a single piece of wood.
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But stile and rail doors
Contain a rectangular frame
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Around one
Or more central panels.
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The term stile refers
To the frame's vertical pieces.
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00:01:06,965 --> 00:01:10,172
And rail refers
To its horizontal ones.
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Stile and rail doors come in
Many different shapes and sizes.
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They have several components.
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Some even have
Sectioned glass panels.
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They use poplar wood
For paint-grade doors.
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If the door will be stained,
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Customers can choose from
Several different wood options,
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Including oak, cherry,
Maple, and african mahogany.
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They feed the rough lumber
Through a planer.
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The first two stations
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Simultaneously shave the top
And bottom of the wood.
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The third station
Has multiple saw blades
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That cut the piece
Into several strips.
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Workers line up the strips
And coat one side with glue.
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00:02:11,068 --> 00:02:15,172
Then they transfer the wood
Strips to a clamping machine.
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They stack one piece
Of linear-strand lumber
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In between the glued sides
Of two solid-wood strips.
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Linear-strand lumber,
Called lsl for short,
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Is a piece of lumber
Made from glued wood fibers.
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The robot holds the assembly
In place for an hour
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Until the glue dries.
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Then they put this engineered
Lumber through a glue spreader.
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It coats the top
And bottom surfaces
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With heat-activated glue.
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They sandwich the lumber
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Between two thin sheets of wood
Called veneer.
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For a paint-grade door,
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They use ultra-thin mdf,
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Medium-density fiberboard,
Instead.
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Mdf is a man-made material
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With a smooth,
Paint-friendly surface.
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They place the pieces into
A hot press for two minutes.
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The heat activates the glue,
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While the pressure flattens
The veneer against the lumber.
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These pieces will become
The door's stiles and rails.
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The panels inside the stiles
And rails are made of mdf.
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For a stained door,
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Workers apply the veneer
Before they contour the pieces.
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Workers carve the pieces
Using a shaper machine.
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They change the machine heads in
Order to cut different designs.
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The workers
Used a different shaper machine
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To carve the inside edge
Of the stiles.
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They also drilled holes
For the dowels
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Of the adjoining rails.
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They apply glue,
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Then attach the matching bottom
Rail to the first stile.
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They insert the panel into
A groove in the rail and stile.
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They are assembling
A two-panel door.
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00:04:13,620 --> 00:04:17,482
So next, they fit a middle rail
And another panel.
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They install a top rail
And then the second stile.
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They place
The newly-assembled door
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In a large clamping machine.
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00:04:36,827 --> 00:04:39,275
It applies pressure on the door
For an hour
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While the glue dries.
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The machine transfers the door
To a cutting table.
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Then a computer-guided saw trims
The top and bottom of the door.
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The machine switches
To a different tool
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That bevels the edge
Of the door.
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It switches tools again
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And drills holes
For the door's hardware.
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The stile and rail door
Is now ready for finishing.
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Workers sand the surface
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To prepare it
For either staining or painting.
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Then the stained doors
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Receive a coat of sealer
And two coats of clear lacquer.
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This protects
The wood's surface.
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The panels used
In stile and rail doors
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Are never glued in place.
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They sit inside the frame.
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This leaves space for the wood
And mdf to naturally expand
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Without warping
Or cracking the door.
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Narrator: in the 1960s,
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Italian boilermakers figured out
How to harness steam to clean.
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Steam cleaning is much safer
Than traditional methods
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Because dirt and bacteria
Can be eliminated
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Without the use
Of harmful chemicals.
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High-pressure,
Low-moisture steam is enough
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To vaporize most germs.
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The water in a steam cleaner
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Is heated
To over 200 degrees fahrenheit.
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It's safe to use
On both hard and soft surfaces.
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Steam cleaners start out
As a computer design.
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This is a commercial model
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That will be used
To clean hotels, restaurants,
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Offices, and schools.
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They make the components using
Polycarbonate plastic pellets.
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A molding machine
Heats the plastic,
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Then injects it into molds.
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The plastic hardens
Into the shape of parts.
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This one is the cover
For the steam cleaner's boiler.
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A robot with vacuum-suction
Grippers extracts the cover
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From the mold.
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They mold other parts,
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Including the base,
Extension tubes,
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Handles, and hooks the same way.
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00:07:23,689 --> 00:07:28,586
A worker installs a water-level
Probe on the steel boiler.
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00:07:28,586 --> 00:07:31,724
He also screws on a fitting
For the fill hose.
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He adds two solenoid valves.
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They turn the steam on and off
And control its intensity.
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Then he places the boiler
In a test device.
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The device verifies
That the electrical parts
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Are insulated properly.
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He tightens the solenoid valves
To complete the installation.
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After the hoses
Are attached to the boiler,
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They place it in the base
Of the steam cleaner.
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00:08:02,551 --> 00:08:05,344
A worker plugs
In the electrical contacts.
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They will power
The steam hose's controls.
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00:08:08,379 --> 00:08:10,827
Then he connects the steam hose
To a fitting
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00:08:10,827 --> 00:08:12,586
Next to the contacts.
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He tightens a metal clip around
It to reinforce the connection.
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00:08:24,379 --> 00:08:26,310
He links the main
Electronic board
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00:08:26,310 --> 00:08:29,758
To temperature sensors that have
Been installed on the boiler.
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00:08:33,517 --> 00:08:38,379
The worker also wires
The steam-pressure sensors.
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He covers the top of the boiler
With melamine insulation.
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Then he slides a heat-resistant
Plastic cover over the boiler.
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He attaches the fill hose
To the fitting
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00:08:52,965 --> 00:08:54,862
On the top of the boiler.
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He connects the other end
To the water tank.
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00:09:05,724 --> 00:09:11,448
The worker equips the tank
With two water-level sensors.
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00:09:11,448 --> 00:09:15,551
He hooks up a gauge
For the steam pressure.
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00:09:15,551 --> 00:09:17,517
Then he fills the tank
With water
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00:09:17,517 --> 00:09:19,620
And tests the steam cleaner.
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He uses a small mirror
To check for leaks.
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Another worker
Assembles the steam gun.
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He attaches a plastic joint
To the steam hose,
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Then installs a nozzle
On the end.
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He slides the joint forward
To surround the spray nozzle
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And screws a plastic wand
To the end of the joint.
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He tucks the hose on one side
Of the handle's plastic casing
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And installs a trigger.
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Then he snaps on the cover.
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He screws the handle together.
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00:10:00,620 --> 00:10:04,275
He connects the steam gun
To the boiler unit.
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He turns it on.
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00:10:05,586 --> 00:10:07,827
And the sprayer shoots out
A hot, pressurized mist
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00:10:07,827 --> 00:10:10,206
Known as dry steam.
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00:10:10,206 --> 00:10:11,655
Its moisture content
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00:10:11,655 --> 00:10:16,620
Is only 5%, allowing
Cleaned surfaces to dry quickly.
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00:10:16,620 --> 00:10:19,482
The steam cleaner
Also comes with a vacuum.
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00:10:19,482 --> 00:10:23,862
It sucks up residual water
And dirt after a steam cleaning.
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00:10:23,862 --> 00:10:26,931
He attaches the vacuum motor
To the filter.
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He places the motor and filter
Into the base canister
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00:10:30,310 --> 00:10:33,931
And locks the assembly together
With clips at the sides.
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The worker transfers
The steam cleaner to a cart.
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Once the vacuum is on board,
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This duo is ready to eradicate
Dirt, grease, and pathogens.
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Just aim and pull the trigger.
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The steam will do the rest.
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Narrator: a slice of pizza
Isn't always a portable snack.
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The toppings can slide off
While you're eating it.
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These hand-held, individual
Pizzas solve that problem.
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The toppings are safely encased
Inside the pizza dough.
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Hand-held pizzas are small
Enough for kids to easily hold.
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They're made
Without preservatives,
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And all the ingredients
Are organic,
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Making them the perfect frozen
Snack for hungry children.
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One main ingredient
Is cauliflower.
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It packs a strong
Nutritional punch
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Without altering the flavor.
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Cauliflower is low in calories
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But high in vitamins, minerals,
And dietary fiber.
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It also helps
Thicken the filling.
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After removing the stems,
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The cooks boil the
Cauliflower heads until tender.
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They remove them from the pot
With a slotted spoon
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To let the water drain away.
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They puree the cauliflower
In a food processor.
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00:12:27,275 --> 00:12:30,793
The cooks also boil
And puree butternut squash,
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Which is full
Of vitamin a, vitamin c,
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And many other nutrients.
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The squash puree
Slightly sweetens the filling
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And helps thicken it.
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Other ingredients
That go into the filling are
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Tomato paste,
Parmesan and mozzarella cheeses,
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Potato flakes, sea salt,
Spices, and water.
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After measuring out
The required amounts,
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00:12:56,655 --> 00:13:00,137
Workers pour the ingredients
Into a large bowl.
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00:13:10,034 --> 00:13:11,896
They manually blend
The ingredients
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00:13:11,896 --> 00:13:16,275
With a large whisk to keep
The filling's texture coarse.
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The pizza dough
Is made with wheat flour,
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00:13:22,758 --> 00:13:27,103
Unbleached all-purpose flour,
And baking soda.
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00:13:27,103 --> 00:13:29,000
They also add
Palm fruit shortening
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00:13:29,000 --> 00:13:33,482
And water
To make the dough pliable.
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00:13:33,482 --> 00:13:38,241
They combine all the ingredients
In a mixer.
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00:13:38,241 --> 00:13:41,103
The mixer blends the ingredients
Thoroughly
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00:13:41,103 --> 00:13:44,068
Until the dough
Reaches the right consistency.
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00:13:47,068 --> 00:13:49,931
After mixing,
They let the dough rest.
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00:13:56,413 --> 00:14:00,413
Next, they transform
The blocks of dough into sheets.
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00:14:04,517 --> 00:14:06,758
They place
An 8-inch block of dough
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00:14:06,758 --> 00:14:10,862
On a machine
Called the dough sheeter.
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00:14:10,862 --> 00:14:13,310
The dough moves back and forth
Beneath a roller
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00:14:13,310 --> 00:14:16,724
Until it's flat.
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00:14:16,724 --> 00:14:20,344
They add flour so the dough
Won't stick to the roller.
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00:14:26,103 --> 00:14:29,896
A worker winds the sheet
Of dough onto a spool
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00:14:29,896 --> 00:14:32,793
And transfers it
To the processing line.
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00:14:36,586 --> 00:14:39,586
Here, four rotary blades
Trim the sides
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00:14:39,586 --> 00:14:42,310
And divide the sheet
Into three strips.
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00:14:42,310 --> 00:14:44,896
Spray nozzles lightly mist
The dough with water
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00:14:44,896 --> 00:14:47,482
To keep it pliable.
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00:14:47,482 --> 00:14:51,206
A machine dispenses the filling
At perfectly timed intervals.
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00:14:51,206 --> 00:14:53,448
It adds one ounce
Of filling per pizza
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00:14:53,448 --> 00:14:56,172
To one side of each strip.
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00:14:56,172 --> 00:15:01,137
Then the machine
Folds the other side over.
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00:15:01,137 --> 00:15:05,724
A crimping wheel seals the edge
To encase the filling.
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00:15:05,724 --> 00:15:08,103
They add more flour on top
So the crimper
217
00:15:08,103 --> 00:15:11,862
And rotary cutters can easily
Trim off the excess dough.
218
00:15:16,551 --> 00:15:18,827
A chopping blade
Separates the filled dough
219
00:15:18,827 --> 00:15:21,724
Into individual pizzas.
220
00:15:21,724 --> 00:15:26,724
Then the crimper
Seals the third edge.
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00:15:26,724 --> 00:15:30,724
Workers transfer the pizzas
By hand onto baking sheets.
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00:15:30,724 --> 00:15:34,344
They're lined with parchment
Paper to prevent sticking.
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00:15:38,000 --> 00:15:41,689
Then they bake the pizzas
In an oven.
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00:15:41,689 --> 00:15:45,275
As soon as they come out,
They're flash-frozen.
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00:15:47,827 --> 00:15:50,862
This rapid deep-freeze
Locks in the nutrients
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00:15:50,862 --> 00:15:54,172
And makes preservatives
Unnecessary.
227
00:15:54,172 --> 00:15:57,379
The frozen pizzas go
Straight to the packaging room.
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00:15:57,379 --> 00:16:01,068
It's refrigerated so the pizzas
Won't begin to thaw.
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00:16:01,068 --> 00:16:04,931
The equipment individually
Wraps the pizzas in plastic
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00:16:04,931 --> 00:16:09,517
Then packages them, two per box.
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00:16:09,517 --> 00:16:11,724
After 60 seconds
In the microwave,
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00:16:11,724 --> 00:16:15,344
These pizzas are ready to eat.
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00:16:15,344 --> 00:16:17,379
The thick filling doesn't drip,
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00:16:17,379 --> 00:16:20,620
Making them
The perfect meal on the go.
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00:16:32,206 --> 00:16:35,620
Narrator:
Wire power brushes rotate
At high speeds to clean metal
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00:16:35,620 --> 00:16:38,103
Without damaging it.
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00:16:38,103 --> 00:16:41,620
These industrial tools
Can scrub off almost anything,
238
00:16:41,620 --> 00:16:45,275
Including weld splatter,
Rust, and paint.
239
00:16:45,275 --> 00:16:47,310
They can also smooth away
Sharp edges
240
00:16:47,310 --> 00:16:49,931
And protrusions known as burrs.
241
00:16:53,896 --> 00:16:57,862
Wire power brushes come in
Many different shapes and sizes.
242
00:17:00,068 --> 00:17:03,103
The bristles are either
Knotted or crimped.
243
00:17:03,103 --> 00:17:08,620
There's a wire power brush
For every metal-cleaning job.
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00:17:08,620 --> 00:17:11,448
Automated tools
Work with pinpoint accuracy
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To create a wire brush
With knotted bristles.
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A tool inserts 22 wires into
Each hole of the steel disk.
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The wires are made
Of high-carbon steel.
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Another tool twists
The wire bundle into a knot.
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It makes a special knot
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Designed for maximum strength
And durability.
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The system installs 48 knotted
Wire bundles in each brush.
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An employee transfers the brush
To a machine
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With circular blades.
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The blades trim the wires down
And sharpen the ends.
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The next worker sandwiches
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The brush's center disk
Between two larger disks.
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A press welder creates
Three dimples in the metal.
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These dimples tightly hold
The brush structure in place.
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A press drives a large nut
Into the center hole.
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It will be used to securely
Attach the wire brush
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To a power tool.
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This completes the knotted wire
Power brush assembly.
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Next, they make
The crimped wire brush.
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First, a device feeds steel wire
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To a cutting machine
In preset increments.
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The machine's cutting wheels
Slice the wires
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To the correct length.
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It deposits the wire bundles
On a rack,
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And a worker collects them.
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Then, another worker
Threads a long wire
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Between two metal flanges
And a winding machine.
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She lines up the pins
Around the flanges.
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Then she tucks freshly-cut wire
Bundles into those slots.
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She continues until she's
Stacked the wire bundles
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All the way around the flanges.
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Then she starts the machine.
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It winds the long wire
Around the shorter wire bundles.
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00:19:27,000 --> 00:19:29,793
This crimps the short wires
At the center
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And holds them in place
Between the flanges.
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She pulls the end of the wire
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To the side
Of the brush segment.
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Then it's ready
For the next operation.
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A 100-ton press
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Bends the flanges
Over the crimped bristles,
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Encasing the longer wire
That holds them together.
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Next, a worker
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Spins the ends of the brush
Between two circular blades.
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This is a preliminary trimming.
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Then a punch enlarges
The diameter of the center hole.
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Next, they combine several
Of the crimped brush segments
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Together.
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An employee
Piles up the segments.
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He places a tube
In the center and spacers
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In between the brushes.
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00:20:28,172 --> 00:20:30,896
Once the brush
Reaches the right size,
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He uses a compression tool
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To curl the tube's top rim
Against the flange.
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This secures the segments,
Creating one large crimped wire
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Brush.
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Then he trims the wire bristles
To the correct length.
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When attached to a power tool,
Knotted bristle wire brushes
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Can spin up
To 25,000 rotations per minute.
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The brush's high speed
Allows it to efficiently scrub
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Dirt and grease
From an oil-well drill pipe.
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The crimped wire brush
Is designed for lighter work,
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Like scrubbing rust
Off a metal pipe.
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These power brushes
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Are bristling with cleaning
Potential and ready for work.
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