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How It's Made

Season 1 Episode 4: Hearing Aids/3D Puzzles/Rubber Mats/Toilets

Follow the production process of hearing aids, 3-D puzzles, Rubber mats, and toilets.

Season 1 Episodes:

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Info about How It's Made

Seasons: 32

Current Status: Canceled

Network: Discovery

Production Countries: Canada, United States, United Kingdom

Genres:Documentary