How It's Made S20E10 — Cast Iron Tubs, Hopi Kachina Dolls, Mine Truck Engine, Memory Cards
7.4
How It's Made•Season 20•Episode 10

Cast Iron Tubs, Hopi Kachina Dolls, Mine Truck Engine, Memory Cards

7.4/10 · 20 votesJan 3, 201321 min

Ranked #10 of 13 in Season 20•−0.1 vs season avg

Discussion

Molten iron is cast into heavy bathtubs before the surfaces are cleaned and coated with durable enamel. Cottonwood roots are carved and painted into traditional Hopi Kachina dolls; enormous mine-truck engines are dismantled, inspected, repaired and reassembled; and semiconductor chips are mounted, enclosed and tested