Hearing Aids, 3-D Puzzles, Rubber Mats, Toilets

January 27, 2001
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How It's Made - S1 - E4

Hearing Aids, 3-D Puzzles, Rubber Mats, Toilets

This episode demonstrates the production processes for hearing aids, 3-D puzzles, rubber mats and toilets, and shows how each is made.

How It's Made: Season 1 - 13 Episode s