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EACH WHISTLE IS THEN DIPPED IN AN ACID BATH, WHICH HARDENS THE SOLDER, SEALING THE WHISTLE'S SEAMS. NEXT, THE WHISTLES ARE LOWERED INTO A NICKEL BATH, WHERE POSITIVELY CHARGED NICKEL IONS MIGRATE TO THE NEGATIVELY CHARGED WHISTLES
Full Transcript
00:00:01.000 --> 00:00:02.006
EACH WHISTLE IS THEN DIPPED IN
00:00:02.006 --> 00:00:04.334
AN ACID BATH, WHICH HARDENS THE
00:00:04.334 --> 00:00:05.866
SOLDER, SEALING THE WHISTLE'S
00:00:05.866 --> 00:00:09.733
SEAMS.
00:00:09.733 --> 00:00:11.006
NEXT, THE WHISTLES ARE LOWERED
00:00:11.006 --> 00:00:13.267
INTO A NICKEL BATH, WHERE
00:00:13.267 --> 00:00:15.133
POSITIVELY CHARGED NICKEL IONS
00:00:15.133 --> 00:00:16.733
MIGRATE TO THE NEGATIVELY
00:00:16.733 --> 00:00:18.499
CHARGED WHISTLES.
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Movie Summary
Television series that documents how various everyday products are made.