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Season 22 · Episode 9

10.021mDecember 12, 2013
Flexible moulding materials capture the contours of a living subject before plaster or resin is poured to create a detailed life cast. Burners and electric heating elements are combined with built-in ventilation systems in downdraft cooktops; specialized knitting machines produce hosiery with graduated compression; and batteries, electric motors and control electronics are installed in motorcycle frames.