How Do They Do It?

Season 7 Episode 14: Battery Power, Chocolate, Toothbrushes

How do they make toothbrushes; how do they produce millions of car batteries; and how are cacao beans transformed into chocolate?

Genre:

Documentary

Seasons:

17

Episodes:

287

Cast:

Quality:

HD

Duration:

22 min

First Air:

2006

Rating:

7.5