Perhaps the most striking is that tyres are produced entirely by machine.

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Richard Kachkar took the machine while barefoot in 2011, destroying vehicles and a luxury car dealership before striking Sgt Ryan Russell, 35.

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Greg talked about the lovely, reassuring hum of the machine when it was powered up and positively glowed at the sharp report of a key striking the paper.

FORBES: Leaders Embrace Innovation. Eccentrics Indulge in Obsessions.