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Season Premiere

How It's Made: Season 7

7x01 Footballs; Electric Guitar Amplifiers; Marbles; Airplane Propellers
TV-G

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  • 2006-09-06T01:00:00Z on Science
  • 30m
  • United States
  • English
  • Documentary
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This episode demonstrates the production processes for footballs, electric guitar amplifiers, marbles and airplane propellers, and shows how each is made.
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