Car Tires, Silk, Art Conservation, Scuba Tanks

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How It's Made
27th June 2013 21 mins Season 21 Episode 13

Different rubber compounds are mixed and assembled with reinforcing fabric, steel belts and tread before being moulded and vulcanized into car tires. Fine filaments are unwound from silkworm cocoons and combined into thread; conservators clean, stabilize and repair ageing works of art; and high-pressure metal cylinders are formed, heat-treated and tested to produce scuba tanks.

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