WatchTrove

How It's Made · S17E07

Speed Skates, Synthetic Rubber, Cocoa Beans, Bulk Chocolate

Still from How It's Made S17E07

Summary

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.