Date post: | 04-Jan-2016 |
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Upload: | lizbeth-mason |
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WHAT IS A MACHINE?A machine is an object made of one or more
parts. It helps us to make our work easier and save time and effort.
HOW DO MACHINES WORK?SOME MACHINES WORK BECAUSE THEY
ARE MOVED BY PEOPLE OR ANIMALS . OTEHRS WORK WITH ELECTRICITY OR SOME TYPE OF FUEL.