Season 4, Episode 8 Inflatable Safety Devices, Braille Typewriters, Carbon-Fiber Cellos.

First Aired: March 9, 2007

Featured: inflatable safety devices; braille typewriters; carbon-fiber cellos.

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Sep 2

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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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