How Its Made Season 20 episode 11 Hopi Kachina Dolls.br br How Its Made S20 E10 [HD] Cast Iron Tubs - Hopi Kachina Dolls - Mine Truck Engine Rebuild - Memory Cards The show is presented on the Science Channel .br br how its made air conditioner, how its made aircraft carrier, how its made bowling pins, how its made bullets, how its made chicken nuggets, how its made .