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S17:E4 Corn Tortillas, Crankshafts & Camshafts, Bush Planes, Aluminum Bike Wheels
First Aired: April 22, 2011
Runtime: 21 min
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.
