Would you like to inspect the original subtitles? These are the user uploaded subtitles that are being translated:
1
00:00:53,862 --> 00:00:56,620
Narrator: if you've ever
Looked inside a wind-up watch
2
00:00:56,724 --> 00:01:00,137
Or a car's transmission,
You've seen a system of gears.
3
00:01:00,241 --> 00:01:01,931
A gear is a wheel with teeth
4
00:01:02,034 --> 00:01:04,655
That meshes with the teeth
Of another gear
5
00:01:04,758 --> 00:01:07,206
To transmit power
On a continuous basis.
6
00:01:07,310 --> 00:01:10,000
Combining gears
Of different diameters
7
00:01:10,103 --> 00:01:12,724
Affects rotation speed
And force.
8
00:01:17,862 --> 00:01:19,379
This factory makes gears
9
00:01:19,482 --> 00:01:22,931
That go into transmissions
For industrial machines.
10
00:01:24,862 --> 00:01:28,275
Production begins with a large,
Round bar of high-grade steel,
11
00:01:28,379 --> 00:01:30,724
Which contains
A certain amount of carbon
12
00:01:30,827 --> 00:01:33,000
To make it even stronger.
13
00:01:36,965 --> 00:01:38,482
An automated band saw
14
00:01:38,586 --> 00:01:40,655
Slices off a piece
That's the right thickness
15
00:01:40,758 --> 00:01:42,517
For the size of gear
They're making.
16
00:01:44,413 --> 00:01:46,862
This piece is called
A gear blank.
17
00:01:50,551 --> 00:01:53,758
They mount the blank
On a computer-controlled blade.
18
00:01:53,862 --> 00:01:55,137
As it spins,
19
00:01:55,241 --> 00:01:58,724
A turret carrying a series
Of carbide tools moves in.
20
00:02:00,862 --> 00:02:04,172
One tool after another takes
Its turn machining the blank
21
00:02:04,275 --> 00:02:06,034
To a specific shape.
22
00:02:20,448 --> 00:02:22,758
A shower of coolant
Prevents overheating
23
00:02:22,862 --> 00:02:24,931
When the jumbo drill
Has its turn.
24
00:02:25,034 --> 00:02:28,241
It bores a hole right through
The middle of the blank.
25
00:02:30,551 --> 00:02:33,724
The last tool carves a groove
On the front of the blank.
26
00:02:33,827 --> 00:02:37,241
This final bit of metal removal
Lessens the gear's weight.
27
00:02:39,517 --> 00:02:42,275
Now the blank goes into
A computer-controlled mill.
28
00:02:42,379 --> 00:02:45,551
The mill drills holes through
Which lubrication will flow
29
00:02:45,655 --> 00:02:47,344
When the gear is operating.
30
00:02:50,655 --> 00:02:53,379
These holes also lighten
The gear's weight.
31
00:02:55,827 --> 00:02:57,689
When the blank
Comes off the mill,
32
00:02:57,793 --> 00:03:00,724
They stamp it with the company
Name and part number.
33
00:03:08,241 --> 00:03:10,586
Now for the gear's teeth.
34
00:03:10,689 --> 00:03:13,724
A machine called a gear shaper
Carves out the inner teeth --
35
00:03:13,827 --> 00:03:15,689
The ones
Lining the center hole --
36
00:03:15,793 --> 00:03:17,793
With its
Titanium-coated cutter.
37
00:03:19,965 --> 00:03:21,275
The machine's other components
38
00:03:21,379 --> 00:03:23,586
Keep the cutter's movement
Correctly timed.
39
00:03:25,448 --> 00:03:28,965
The number of teeth and tooth
Size vary from gear to gear,
40
00:03:29,068 --> 00:03:32,310
So for each model, the factory
Has to fit the gear shaper
41
00:03:32,413 --> 00:03:33,965
With a specific cutter.
42
00:03:35,931 --> 00:03:37,586
Now for the outside gear teeth.
43
00:03:37,689 --> 00:03:40,241
The computer-controlled machine
That cuts them
44
00:03:40,344 --> 00:03:42,068
Is called a gear hobber.
45
00:03:42,172 --> 00:03:45,241
The gear turns against it
As it cuts.
46
00:03:54,206 --> 00:03:58,103
If the hobber would cut the full
Depth of the teeth in one shot,
47
00:03:58,206 --> 00:03:59,620
The cutter would chip,
48
00:03:59,724 --> 00:04:02,551
So the gear keeps turning
Around and around again
49
00:04:02,655 --> 00:04:05,241
As the hobber cuts
A bit more with each pass,
50
00:04:05,344 --> 00:04:07,689
Until the teeth
Are the right depth.
51
00:04:19,965 --> 00:04:23,862
Then the gear undergoes
A computerized inspection.
52
00:04:23,965 --> 00:04:28,241
A probe scans the entire
Surface, including every tooth.
53
00:04:28,344 --> 00:04:29,896
It sends data to a computer
54
00:04:30,000 --> 00:04:32,137
Which then analyzes
The dimensions
55
00:04:32,241 --> 00:04:35,586
And ensures they meet
The engineering specifications.
56
00:04:37,482 --> 00:04:40,448
Gears that pass
This quality-control inspection
57
00:04:40,551 --> 00:04:42,758
Go into a furnace
For heat treatment.
58
00:04:42,862 --> 00:04:44,620
This strengthens the steel.
59
00:04:49,896 --> 00:04:53,034
When the furnace
Reaches a certain temperature,
60
00:04:53,137 --> 00:04:54,896
They inject carbon inside.
61
00:04:55,000 --> 00:04:59,551
The gears absorb it, and the
Steel strengthens even further.
62
00:04:59,655 --> 00:05:02,620
A soaking in oil afterward
Hardens the metal.
63
00:05:04,586 --> 00:05:07,620
Heat treatment, however,
Distorts steel somewhat,
64
00:05:07,724 --> 00:05:11,034
So each gear now goes to
A computer-controlled grinder.
65
00:05:11,137 --> 00:05:14,413
It restores them
To very precise specifications
66
00:05:14,517 --> 00:05:16,689
For bearings to fit properly.
67
00:05:21,482 --> 00:05:25,068
This factory manufactures gears
In various sizes,
68
00:05:25,172 --> 00:05:26,724
And not only in steel.
69
00:05:26,827 --> 00:05:30,793
It also makes gears in material
Such as nylon, aluminum,
70
00:05:30,896 --> 00:05:33,137
Brass, and stainless steel.
71
00:05:33,241 --> 00:05:37,620
Some gears have straight teeth,
Others angled teeth,
72
00:05:37,724 --> 00:05:40,862
Which makes less noise
When turning.
73
00:05:40,965 --> 00:05:42,827
Gears are an essential component
74
00:05:42,931 --> 00:05:46,000
In everything from watches
To heavy mining equipment,
75
00:05:46,103 --> 00:05:48,896
Keeping machinery
Going at every turn.
76
00:06:02,068 --> 00:06:04,448
Narrator:
When it comes to wristwatches,
77
00:06:04,551 --> 00:06:07,793
There's nothing quite like
A band made of genuine leather.
78
00:06:07,896 --> 00:06:10,172
It has a classic look
That's versatile,
79
00:06:10,275 --> 00:06:13,344
Working with both casual
And formal attire.
80
00:06:13,448 --> 00:06:16,344
And a leather watchband
Is always comfortable
81
00:06:16,448 --> 00:06:17,517
Against the skin
82
00:06:17,620 --> 00:06:20,724
Because, unlike synthetics,
Leather breathes.
83
00:06:25,482 --> 00:06:28,689
These premium watchbands
Are made of alligator,
84
00:06:28,793 --> 00:06:32,275
A leather with an unmistakable
Texture and shine.
85
00:06:34,275 --> 00:06:37,793
The tannery dyes the
Croc leathers in classic shades,
86
00:06:37,896 --> 00:06:41,758
As well as in the latest
High-fashion colors and styles.
87
00:06:43,275 --> 00:06:45,689
Nearly all the production steps
Are manual,
88
00:06:45,793 --> 00:06:47,896
Beginning with
Cutting leather pieces
89
00:06:48,000 --> 00:06:50,275
For the band's two straps.
90
00:06:50,379 --> 00:06:53,586
Every watchband model
Requires a steel cutter
91
00:06:53,689 --> 00:06:55,896
For each strap in every size.
92
00:07:01,827 --> 00:07:05,965
Now they coat the back side
Of each piece with glue.
93
00:07:06,068 --> 00:07:08,000
Later, when it's almost dry,
94
00:07:08,103 --> 00:07:10,896
They center a watchband core
Onto it.
95
00:07:11,000 --> 00:07:14,000
This flexible form
Is made of synthetic material
96
00:07:14,103 --> 00:07:16,586
Reinforced with fiberglass.
97
00:07:18,724 --> 00:07:21,068
Using a machine
With a fine blade,
98
00:07:21,172 --> 00:07:23,206
They make small cuts at the ends
99
00:07:23,310 --> 00:07:26,620
To let the leather fold smoothly
Over the form.
100
00:07:31,379 --> 00:07:34,586
One side of each strap
Attaches to the watch face
101
00:07:34,689 --> 00:07:36,344
With a spring-loaded bar.
102
00:07:36,448 --> 00:07:38,965
They mark exactly
Where the bar goes,
103
00:07:39,068 --> 00:07:42,034
Then punch a tiny hole
For its tiny base.
104
00:07:51,000 --> 00:07:54,068
Next they apply
Superstrength glue
105
00:07:54,172 --> 00:07:57,448
And fold the leather over
To encase the bar.
106
00:07:57,551 --> 00:07:59,551
The glue dries instantly.
107
00:08:03,413 --> 00:08:05,862
They now coat the rest
Of the form with glue,
108
00:08:05,965 --> 00:08:07,103
Then lay it in a mold
109
00:08:07,206 --> 00:08:09,862
That pushes the leather
Against the edge tightly
110
00:08:09,965 --> 00:08:13,137
So they can neatly
Fold over the remainder.
111
00:08:20,379 --> 00:08:22,413
Now they run the open end
Through a machine
112
00:08:22,517 --> 00:08:24,241
That cuts a beveled edge.
113
00:08:26,482 --> 00:08:29,551
Next, they run a tiny sander
Over the leather
114
00:08:29,655 --> 00:08:30,862
On the back side.
115
00:08:30,965 --> 00:08:32,724
This roughens the surface,
116
00:08:32,827 --> 00:08:35,000
Which will help
The leather backing adhere.
117
00:08:41,965 --> 00:08:44,793
To make the loops
Which go on the buckle strap,
118
00:08:44,896 --> 00:08:47,793
They bevel the ends
Of small leather strips.
119
00:08:51,241 --> 00:08:53,379
They glue and fold them
Into a loop,
120
00:08:53,482 --> 00:08:56,862
Making sure they're large enough
To fit around both straps.
121
00:09:02,448 --> 00:09:05,172
One loop sits
Directly below the buckle.
122
00:09:05,275 --> 00:09:09,034
A glued-over flap of leather
Locks it in position.
123
00:09:09,137 --> 00:09:13,241
They press it flat with pliers
To ensure a good bond.
124
00:09:16,172 --> 00:09:18,034
They machine-stitch each strap
125
00:09:18,137 --> 00:09:21,000
With strong,
Polyethylene-based thread.
126
00:09:24,448 --> 00:09:28,931
To prevent unraveling, they melt
Them right into the leather.
127
00:09:37,862 --> 00:09:41,586
On the buckle end, they pierce
Two holes for stitches
128
00:09:41,689 --> 00:09:44,620
That reinforce
The locked-in first loop.
129
00:09:44,724 --> 00:09:47,517
Then they punch two holes
In the back of the second loop
130
00:09:47,620 --> 00:09:50,896
For stitching to reinforce
Its glued-together ends.
131
00:09:51,000 --> 00:09:52,586
This loop has to be movable,
132
00:09:52,689 --> 00:09:55,034
So they don't stitch it
To the band.
133
00:09:56,724 --> 00:09:59,068
They heat the edge
Of each strap.
134
00:09:59,172 --> 00:10:02,931
The iron's rounded tip molds
An attractive, rounded edge.
135
00:10:06,517 --> 00:10:08,034
Using a heated tool again,
136
00:10:08,137 --> 00:10:11,724
They widen the channel through
Which the buckle will pass.
137
00:10:14,551 --> 00:10:17,862
Now they insert the buckle end
Into a stamping press.
138
00:10:17,965 --> 00:10:20,758
It cuts a slot
For the buckle's tongue.
139
00:10:23,275 --> 00:10:28,379
A heat press burns the company's
Name into the leather lining.
140
00:10:28,482 --> 00:10:31,000
That same strap
Then goes into a press,
141
00:10:31,103 --> 00:10:33,965
Which punches the sizing holes.
142
00:10:34,068 --> 00:10:38,793
From here, both straps go off
To the buckle department.
143
00:10:38,896 --> 00:10:40,758
Random samples are subjected
144
00:10:40,862 --> 00:10:43,413
To rigorous
Quality-control testing.
145
00:10:43,517 --> 00:10:46,137
This machine pulls
The ends of the strap
146
00:10:46,241 --> 00:10:50,068
In opposite directions, with up
To nearly 50 pounds of tension,
147
00:10:50,172 --> 00:10:53,517
Far more than anyone would ever
Apply to the watchband
148
00:10:53,620 --> 00:10:56,586
When they pull to buckle it.
149
00:11:10,310 --> 00:11:13,758
Narrator:
Vitrelle is a super-durable
Dinnerware material
150
00:11:13,862 --> 00:11:17,172
Invented in the united states
In the early 1970s.
151
00:11:17,275 --> 00:11:20,862
It's made of three layers
Of glass, fused together.
152
00:11:20,965 --> 00:11:24,000
Vitrelle dishes are thin
And lightweight,
153
00:11:24,103 --> 00:11:27,068
Yet they're stronger
And far more break-resistant
154
00:11:27,172 --> 00:11:28,758
Than ordinary dinnerware.
155
00:11:33,448 --> 00:11:36,551
In a perfect union
Of form, function, and food,
156
00:11:36,655 --> 00:11:39,448
This company serves up
Vitrelle dinnerware
157
00:11:39,551 --> 00:11:41,551
In several striking designs.
158
00:11:45,103 --> 00:11:48,689
The dishes are made
Of 65% recycled glass
159
00:11:48,793 --> 00:11:52,827
From earlier production runs.
160
00:11:52,931 --> 00:11:55,517
To make the other 35%
That's new glass,
161
00:11:55,620 --> 00:11:58,413
The factory combines
Several raw materials --
162
00:11:58,517 --> 00:11:59,896
Sand...
163
00:12:00,000 --> 00:12:01,379
Salt...
164
00:12:01,482 --> 00:12:02,862
Limestone...
165
00:12:02,965 --> 00:12:04,310
Feldspar...
166
00:12:04,413 --> 00:12:06,310
And two more types of salt.
167
00:12:06,413 --> 00:12:09,793
The exact proportions
Are a closely guarded secret.
168
00:12:11,758 --> 00:12:14,344
The ingredients
Go into a furnace,
169
00:12:14,448 --> 00:12:17,275
Where a fiery
2,500 degrees fahrenheit
170
00:12:17,379 --> 00:12:19,793
Melts them into liquid glass.
171
00:12:19,896 --> 00:12:21,689
It exits the furnace.
172
00:12:21,793 --> 00:12:25,482
An extruder shapes it
Into a three-ply sheet
173
00:12:25,586 --> 00:12:29,137
That lands in a mold --
In this case, a plate mold.
174
00:12:31,275 --> 00:12:33,000
A trimmer cuts off the excess,
175
00:12:33,103 --> 00:12:35,655
While compressed air
Blows down from above
176
00:12:35,758 --> 00:12:39,068
To cool and solidify the glass.
177
00:12:39,172 --> 00:12:41,793
A vacuum arm
Then extracts each dish,
178
00:12:41,896 --> 00:12:44,137
And the leftovers are recycled.
179
00:12:48,172 --> 00:12:52,034
The dishes now undergo
What's called fire polishing.
180
00:12:52,137 --> 00:12:54,724
Each one passes through
A gas-oxygen flame,
181
00:12:54,827 --> 00:12:57,137
Which seals
The three layers of glass.
182
00:12:57,241 --> 00:12:59,000
It also melts the outer rim,
183
00:12:59,103 --> 00:13:01,862
Smoothing and rounding out
The rough edge
184
00:13:01,965 --> 00:13:04,172
Created by the trimming.
185
00:13:07,241 --> 00:13:10,241
Oval dishes go on
A different fire polisher,
186
00:13:10,344 --> 00:13:14,862
Designed for an oval rim
Rather than a round one.
187
00:13:36,586 --> 00:13:40,689
Now the conveyor system flips
Each dish over for backstamping.
188
00:13:43,344 --> 00:13:46,068
The bottom
Of every vitrelle dish
189
00:13:46,172 --> 00:13:49,448
Has the trade name
And other information.
190
00:13:49,551 --> 00:13:52,379
A silk-screen machine
Applies the lettering.
191
00:13:59,172 --> 00:14:02,586
Then a gas-air flame
Bakes the ink into the glass.
192
00:14:06,275 --> 00:14:08,068
Once that's done,
193
00:14:08,172 --> 00:14:11,448
The conveyor system flips
The dishes right side up again.
194
00:14:14,137 --> 00:14:16,137
To decorate the dishes,
195
00:14:16,241 --> 00:14:20,517
A machine silk-screens
The design onto membranes.
196
00:14:20,620 --> 00:14:25,000
Robotic arms position a membrane
Above each dish.
197
00:14:26,620 --> 00:14:30,379
Then a press head pushes the
Membrane down onto the surface,
198
00:14:30,482 --> 00:14:32,689
Transferring the paint.
199
00:14:41,034 --> 00:14:43,551
Robotic arms
Then move the dishes
200
00:14:43,655 --> 00:14:45,655
Back onto a conveyor belt.
201
00:14:58,310 --> 00:15:01,793
Certain dishes have a design
On the outside.
202
00:15:05,275 --> 00:15:06,965
An automated silk-screen machine
203
00:15:07,068 --> 00:15:09,689
Applies the paint
Directly to the surface.
204
00:15:14,931 --> 00:15:18,275
The decorated dishes
Now travel through a tunnel oven
205
00:15:18,379 --> 00:15:20,413
For 5 1/2 minutes.
206
00:15:20,517 --> 00:15:23,172
The nearly
1,500-degree fahrenheit heat
207
00:15:23,275 --> 00:15:25,379
Cures the enamel paint.
208
00:15:25,482 --> 00:15:27,586
At the end of the ride,
209
00:15:27,689 --> 00:15:30,793
A tempering process
That makes the glass stronger.
210
00:15:32,793 --> 00:15:36,413
Then, nozzles spray the dishes
In a soy-based silicone.
211
00:15:36,517 --> 00:15:41,310
This wash-off coating prevents
Scratches during packaging.
212
00:15:41,413 --> 00:15:44,310
The factory subjects a sample
From each production run
213
00:15:44,413 --> 00:15:49,793
To a 6 1/2-foot-drop test
And a rim-impact test.
214
00:15:49,896 --> 00:15:55,172
The sample mustn't break, chip,
Or crack...
215
00:15:55,275 --> 00:15:58,517
All to ensure
This stylish dinnerware
216
00:15:58,620 --> 00:16:03,034
Will withstand whatever
Your household can dish out.
217
00:16:19,034 --> 00:16:21,551
Narrator: shears are typically
Larger than scissors
218
00:16:21,655 --> 00:16:23,965
For heavier-duty cutting.
219
00:16:24,068 --> 00:16:26,724
And you can insert
Up to three fingers
220
00:16:26,827 --> 00:16:28,689
In the handle's finger ring.
221
00:16:28,793 --> 00:16:31,896
Using more fingers
Gives you a stronger grasp,
222
00:16:32,000 --> 00:16:36,000
Which translates into more
Control and more cutting force.
223
00:16:42,241 --> 00:16:44,000
These high-end shears
224
00:16:44,103 --> 00:16:47,137
Effortlessly
Slice through produce,
225
00:16:47,241 --> 00:16:51,620
Snip fresh herbs,
And open packaging.
226
00:16:51,724 --> 00:16:55,724
Outside the kitchen,
They easily cut many materials,
227
00:16:55,827 --> 00:16:59,310
Including thin aluminum
And galvanized steel.
228
00:16:59,413 --> 00:17:01,448
The secret to their strength?
229
00:17:01,551 --> 00:17:03,620
Blades made of stainless steel,
230
00:17:03,724 --> 00:17:06,620
Which contains
A minute amount of carbon.
231
00:17:06,724 --> 00:17:08,103
To make them,
232
00:17:08,206 --> 00:17:10,862
Workers feed a bar of this
High-carbon stainless steel
233
00:17:10,965 --> 00:17:12,551
Into a press.
234
00:17:12,655 --> 00:17:17,206
It stamps out blade shapes
Called blanks.
235
00:17:17,310 --> 00:17:19,068
Stainless steel
Can be heat-treated
236
00:17:19,172 --> 00:17:22,965
To make it more durable
And corrosion-resistant.
237
00:17:23,068 --> 00:17:27,241
But first, a furnace softens the
Blanks for the forging process
238
00:17:27,344 --> 00:17:30,758
That transforms them
Into blades.
239
00:17:30,862 --> 00:17:33,310
Each blank
Goes onto a forging dye
240
00:17:33,413 --> 00:17:35,931
That has two
Blade-shaped cavities.
241
00:17:36,034 --> 00:17:39,793
One strike in each,
And the blank is a blade.
242
00:17:42,827 --> 00:17:43,965
Once it cools,
243
00:17:44,068 --> 00:17:46,620
A trimming press
Cuts off all the excess metal
244
00:17:46,724 --> 00:17:48,206
Around the perimeter.
245
00:17:53,551 --> 00:17:55,931
Heating and forging
Tend to warp steel,
246
00:17:56,034 --> 00:17:58,793
So another press makes the blade
Perfectly flat
247
00:17:58,896 --> 00:18:01,034
And straight again.
248
00:18:08,275 --> 00:18:11,034
Trimming the excess metal
Leaves some rough areas,
249
00:18:11,137 --> 00:18:15,103
So the next step is to smooth
The surface with a sanding belt.
250
00:18:20,620 --> 00:18:24,241
To make the hole for the bolt
On which the blades pivot,
251
00:18:24,344 --> 00:18:27,965
They drill a round hole
Partway through...
252
00:18:28,068 --> 00:18:31,275
Then pierce a rectangular hole
Through the rest.
253
00:18:31,379 --> 00:18:34,517
You'll see why later on.
254
00:18:37,068 --> 00:18:39,655
Now the blades
Undergo heat treatment --
255
00:18:39,758 --> 00:18:43,137
First, to harden them, a slow
Heating and rapid cooling,
256
00:18:43,241 --> 00:18:45,620
Then, to make them
Tough and durable,
257
00:18:45,724 --> 00:18:48,034
A reheat and slow cooling.
258
00:18:50,931 --> 00:18:54,137
A grinder shapes the round area
Next to the tang,
259
00:18:54,241 --> 00:18:56,517
The term for the metal core
Of the handle.
260
00:18:58,413 --> 00:19:00,034
With a sanding belt,
261
00:19:00,137 --> 00:19:03,689
They smooth out and blend
The adjacent corners.
262
00:19:08,896 --> 00:19:11,965
Here, two polishing wheels
Give the surface
263
00:19:12,068 --> 00:19:14,000
An upscale satin finish.
264
00:19:16,413 --> 00:19:20,413
Then an etching machine uses
Electrically activated chemicals
265
00:19:20,517 --> 00:19:24,000
To imprint the company's name
Into the thumb-operated blade.
266
00:19:26,689 --> 00:19:30,034
Just one final step
Before the blades are finished.
267
00:19:30,137 --> 00:19:31,896
A computer-operated grinder
268
00:19:32,000 --> 00:19:35,517
Serrates the inside edge
Of the thumb-operated blade.
269
00:19:39,068 --> 00:19:41,586
Workers now load
Six blades at a time
270
00:19:41,689 --> 00:19:44,000
Into an injection-molding
Machine.
271
00:19:44,103 --> 00:19:47,206
The machine shoots molten
Plastic into the cavities,
272
00:19:47,310 --> 00:19:50,827
Then rapidly cools the material
Until it solidifies.
273
00:19:52,655 --> 00:19:55,482
Each blade exits the machine
With a molded handle
274
00:19:55,586 --> 00:19:57,862
Firmly encasing the tang.
275
00:19:59,793 --> 00:20:01,896
Now for the final assembly --
276
00:20:02,000 --> 00:20:05,137
First they drive a bolt
With a rectangular head
277
00:20:05,241 --> 00:20:09,172
Into the pivot hole
Of the finger-operated blade.
278
00:20:09,275 --> 00:20:11,793
Then they add
The thumb-operated blade
279
00:20:11,896 --> 00:20:15,344
And press the bolt again
Into its final position.
280
00:20:15,448 --> 00:20:17,482
A self-locking, hexagonal nut
281
00:20:17,586 --> 00:20:20,275
Secures the bolt
From underneath.
282
00:20:24,275 --> 00:20:28,689
An automatic tightener
Does the initial fastening.
283
00:20:28,793 --> 00:20:32,172
Then workers do the final
Tension adjustment manually.
284
00:20:38,448 --> 00:20:40,034
The final step
285
00:20:40,137 --> 00:20:43,862
Is to grind the excess plastic
Off the handle stops.
286
00:20:43,965 --> 00:20:48,517
This enables the blade to close
Fully and in perfect alignment.
287
00:20:54,758 --> 00:20:56,620
So, why the rectangular bolt?
288
00:20:56,724 --> 00:20:57,827
Watch closely.
289
00:20:57,931 --> 00:21:00,724
It allows you,
With just one simple twist,
290
00:21:00,827 --> 00:21:03,310
To separate the blades
For cleaning
291
00:21:03,413 --> 00:21:07,551
And then reassemble them.
292
00:21:07,655 --> 00:21:10,862
Now, that's cutting-edge design.
293
00:21:22,793 --> 00:21:25,068
If you have any comments
About the show,
294
00:21:25,172 --> 00:21:28,000
Or if you'd like to suggest
Topics for future shows,
295
00:21:28,103 --> 00:21:30,586
Drop us a line at...
296
00:21:30,689 --> 00:21:33,586
--captions by vitac--
Www.Vitac.Com
297
00:21:33,689 --> 00:21:36,758
Captions paid for by
Discovery communications
23879
Can't find what you're looking for?
Get subtitles in any language from opensubtitles.com, and translate them here.