Bicycle Helmets/Lithium Batteries/Car Brakes/Aluminium
- Episode aired Mar 31, 2001
- TV-G
- 22m
Bicycle helmets, lithium batteries, car brakes, and aluminum are depended on every day. In this episode, find out how each is made.Bicycle helmets, lithium batteries, car brakes, and aluminum are depended on every day. In this episode, find out how each is made.Bicycle helmets, lithium batteries, car brakes, and aluminum are depended on every day. In this episode, find out how each is made.