How It's Made · S17E04
Corn Tortillas, Crankshafts & Camshafts, Bush Planes, Aluminum Bike Wheels
Summary
Prepared corn dough is portioned, flattened and baked into tortillas. Engine components are forged or cast before being machined and hardened into crankshafts and camshafts; rugged airframes are equipped for bush flying; and aluminium rims, hubs and spokes are assembled into lightweight bicycle wheels.