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jet engines by Steve Melito on 07/19/2007 4:24 PM
mechanical engineering by Steve Melito on 07/19/2007 4:24 PM
aviation by Steve Melito on 07/19/2007 4:24 PM
aerospace by Steve Melito on 07/19/2007 4:24 PM
November 18 by yamdankee on 04/18/2012 11:23 AM
inventions by davah on 07/31/2008 6:29 AM
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