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    Watch How Do They Do It? Make Military Helicopters, Design Metro Systems, Engineer Artificial Reefs Season 6 ,Ep. 19 Online

    How Do They Do It?

    How Do They Do It?
    September 4th, 2009
    Parental Rating
    TVPG
    Common Sense Media
    Common Sense Media Age 10
    Genre
    Series, Documentary, Educational, Science, Science/Nature
    Format
    SD, HD
    Program Type
    Series

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