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Basic Machines and How They Work: Naval Education And Training Program: 9780486217093: Amazon.com: Books

http://www.amazon.com/Basic-Machines-How-They-Work/dp/0486217094/ref=pd_sim_14_6?ie=UTF8&refRID=12TBPAQZDZ9QWP7WDYYD&dpSrc=sims&dpST=_AC_UL160_SR107%2C160_

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