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Associated Press
Brad Kohlenberg, a business development engineer with Made In Space, displays one of the items that will be made by astronauts using a 3-D printer that will be transported to the International Space Station aboard the Falcon 9 SpaceX rocket at the Kennedy Space Center in Cape Canaveral, Fla., Friday, Sept. 19, 2014. NASA is sending a 3-D printer to the International Space Station in hopes that astronauts will be able to one day fix their spacecraft  by cranking out spare parts on the spot. (AP Photo/John Raoux)

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