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Date: 2011-04-11 10:47:13Physics Mechanics Wheel and axle Mechanisms Lever Axle Screw Skateboard Machine Simple machines Mechanical engineering Technology | PRE-VISIT ACTIVITIES FOR SIMPLE MACHINES FIELD TRIP WEDGE CUTAdd to Reading ListSource URL: www.msichicago.orgDownload Document from Source WebsiteFile Size: 1,06 MBShare Document on Facebook |