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How It's Made: Season 12

12x09 Riding Mowers; Popcorn; Adjustable Beds; Cultured Diamonds
TV-G

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  • 2009-03-05T02:00:00Z on Science
  • 30m
  • United States
  • English
  • Documentary
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This episode demonstrates the production processes for riding mowers, popcorn, adjustable beds, cultured diamonds and shows how each is made.
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