How It's Made

4:30 PM to 5:00 PM
Monday 2 February
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Hearing Aids/3D Puzzles/Toilets

Season 1 Episode 4 of 13

How the designs of hearing aids, 3D puzzles and toilets were conceived, and the ways in which they have evolved

How It's Made airs on Discovery Channel at 4:30 PM, Monday 2 February. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
Technology