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How Do They Do It?: Season 13

13x12 Emergency Bridges, Marker Pens, Superbike
TV-G

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Aired2016-11-01T02:00:00Z on Discovery
Runtime22m
CountryUnited States
LanguagesEnglish
GenresDocumentary

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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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Ads suck, but they help pay the bills. Hide ads with

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Ads suck, but they help pay the bills. Hide ads with

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