How It's Made S1 E4 - Hearing Aids, 3-D Puzzles, Rubber Mats, Toilets

How It's Made

How It's Made S1 E4 - Hearing Aids, 3-D Puzzles, Rubber Mats, Toilets
7.5

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