Pneumatic Impact Wrenches, Cultured Marble Sinks, Plantain Chips, NASCAR Stock Cars

How It's Made – Season 12

Metal housings, motors and hammer mechanisms are assembled into pneumatic impact wrenches, mineral-filled resin is molded and polished into cultured marble sinks, sliced plantains are fried and seasoned into chips, and specialized frames, engines and safety systems are assembled into NASCAR stock cars.