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Este Cmap, tiene información relacionada con: The world of Science, Pages 107-120, Machines transfer Forces, Machines transfer Energy, Levers can Move objects, Machines make Jobs easier, Machines use Wheels, Machines use Ramps, Machines may use Many simple machines, Ramps as in Stairs, Machines use Levers, Levers use a Fulcrum, Ramps as in Screws, Levers can Increase force