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How It's Made: Season 1

1x04 Hearing Aids; 3-D Puzzles; Rubber Mats; Toilets
TV-G

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  • 2001-01-28T02:00:00Z on Science
  • 30m
  • United States
  • English
  • Documentary
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This episode demonstrates the production processes for hearing aids, 3-D puzzles, rubber mats and toilets, and shows how each is made.
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