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Práctica de escucha
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Gimme a Drink! | How It's Made | Science Channel
Gimme a Drink! | How It's Made | Science Channel
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Subtítulos (22)
0:00
Machinery moves the cylinder's open end
0:02
into position for tools to squeeze it
0:04
into a bottle neck.
0:07
The tools pinch [music] the metal a
0:09
total of 26 times to draw the open end
0:12
down to half its original diameter.
0:14
This gentle [music] forming process
0:16
results in less stress on the metal.
0:26
The last tool presses a threaded ring
0:29
into the inside of the bottle for
0:30
screwing on the cap.
0:35
The process leaves the threaded neck a
0:37
lot thicker than the rest of the bottle,
0:39
so it will hold up to heavy usage.
0:44
Now, the bottles head into a wash
0:46
station.
0:47
They get a really good scrubbing to
0:49
remove the lubricating oil from the
0:50
forming process.
0:57
They then travel through a dryer. And
1:00
after a few minutes, they emerge clean
1:02
and ready for the next operation.
