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Season Premiere

How Do They Do It?: Season 4

4x01 Bullet Proof Vests; Robots; Formation Skydivers
TV-G

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Aired2007-04-05T02:00:00Z on Discovery
Runtime22m
CountryUnited States
LanguagesEnglish
GenresDocumentary

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Go beneath the surface to understand forest fires, car exhaust and the space station.

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