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2014-12-10T21:29:08+05:30

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According to me mans best invention is electricity and cmputer. without electricity we cant imagine our lives. today it is playing a vital role in our lives. we cant do any thing without having electricity today. each and every appliance is running based on this electricity only. now a days each and every home has an inverter and generator.and the computer that is really changed our lives.Today, many works are doing by the assistance of computer only.
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click at thanks if it helps u
you have to write 250 words. this is too short.
2014-12-10T21:35:24+05:30
THE mans best invention is Refridgeration.Refridgerators cool down by taking advantage of the substances absord and unload heat.It is difficult to pinpoint the real inventor of refridgeration as it evovled over a course of 200 yrs.
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why did you answer him he asked this question for a scholarship test!!!!!!!!
you have to write 250 words. this is too short.