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How It's Made: Season 14

14x13 Retractable Ballpoint Pens; Solar Salt; Tubas
TV-G

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  • 2010-01-09T02:00:00Z on Science
  • 30m
  • United States
  • English
  • Documentary
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This episode demonstrates the production processes for Retractable Ballpoint Pens, Solar Salt, and Tubas and shows how each is made.
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