How It's Made

S13 E3 Swiss Army Knives, Player Piano Rolls, Oil Tankers, Racing Wheels

本集简介

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2009/05/01 S13 E2

Carbon Fiber Bicycles, Blood Products, Forged Chandeliers, Ballpoint Pens

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2009/05/15 S13 E4

Bowling Balls, Barber Poles, Felt, Radar Guns

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