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Date: 2013-11-18 11:29:11Mechanics Physics Pulley Ancient Greek technology Wheel and axle Wheelbarrow Rope Wheel Machine Simple machines Technology Mechanical engineering | ScienceSpin TM 2 • May/June 2013Add to Reading ListSource URL: sciencespin-2.scholastic.comDownload Document from Source WebsiteFile Size: 1,82 MBShare Document on Facebook |