Season 6 · Episode 20 of 20
Aired Nov 19, 2012
Make Military Helicopters, Design Metro Systems, Engineer Artificial Reefs
Mon, Nov 19, 2012
·
22 min
Streaming on HBO Max, DirecTV On Demand, Discovery+, Science GO + 5 more
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Find out how they make military helicopters, how they design metro systems and how they engineer artificial reefs.
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Airs
Mon, Nov 19, 2012
22 min
Show
How Do They Do It?
287 episodes
Episode
S6 · E20
in How Do They Do It?