Clay, Pitted Prunes, Spurs, Polyurethane Tires

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How It's Made
21st June 2012 21 mins Season 19 Episode 10

Raw clay is excavated, crushed, analysed and blended into a consistent material for industrial use. Dried plums are softened, mechanically pitted and graded; metal is shaped and decorated into riding spurs; and liquid polyurethane is poured into moulds and cured around wheel hubs to produce resilient tires.

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