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How Do They Do It? Season 6 Episode 15

Episode Title: Design Airplane Parachutes, Create Solar Power, Make Photochromic Lenses
Countries: Canada, UK,
Airing Date: October 15, 2009
Runtime:51 mins
IMDb Rating:

Watch How Do They Do It? Season 6 Episode 15 full online free without downloading, english subs, hd quality