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How Do They Do It? (2006)

S06E20 Make Military Helicopters, Design Metro Systems, Engineer Artificial Reefs

Nov 19, 2012 • Season 6 • Episode 20 • HD

Discover the process behind constructing military helicopters, the intricacies of designing metro systems, and the techniques used to create artificial reefs.

Genre: Documentary
Country: CA, US, GB
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