How It's Made

Season 17 Episode 7: Speed Skates, Synthetic Rubber, Cocoa Beans, Bulk Chocolate

Supportive boots are fitted with long, carefully aligned blades to create speed skates. Chemical ingredients are polymerized and compounded into synthetic rubber, cocoa beans are fermented and dried after harvesting, and roasted beans are ground, refined and blended into bulk chocolate.

Genre:

Documentary

Seasons:

32

Episodes:

416

Cast:

Lynne Adams

Quality:

HD

Duration:

21 min

First Air:

2001

Rating:

7.7