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Sharpening Steels, Bladder Pumps, Ironing Boards, Kayak Paddles

S26 E6 October 15, 2015 0h 21m ★ 10.0
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Overview

Steel rods are cut, hardened and given finely textured surfaces before receiving protective handles to become knife-sharpening steels. Flexible bladders, valves and housings are assembled into pumps used for controlled fluid transfer; perforated metal tops are fitted with padding and folding legs to make ironing boards; and lightweight shafts and blades are shaped into kayak paddles.