How Do They Do It?
S07E14
S07E1422 min· aired 8/27/2010
Battery Power, Chocolate, Toothbrushes
TMDb0.0
Overview
How do they make toothbrushes; how do they produce millions of car batteries; and how are cacao beans transformed into chocolate?
How do they make toothbrushes; how do they produce millions of car batteries; and how are cacao beans transformed into chocolate?