Emergency Bridges, Marker Pens

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How Do They Do It?
31st October 2016 22 mins Season 13 Episode 12

How do they build emergency bridges that can take the weight of a tank, make a marker pen that never fades, and design a 200-mph superbike?

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Season 13 · Episode 13

Crystal Glass, Flat Screen TVs

How do they blow the world's finest crystal, heat the deepest swimming pool, and fill a million bottles a day of the world's favourite ketchup?
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