Season 13, Episode 13 Traffic Signal Poles, Coffee Filters, and Chainsaw Mining Machines

First Aired: July 2, 2015

How traffic signal poles, coffee filters and chainsaw-mining machines are made.

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9:30am
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  • Premiered: January 6, 2001
  • Rating: TV-G
  • Premise: A series that shows how familiar objects used in everyday life are made. (more)

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