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The steam engine was invented by Thomas Newcomen, to pump out water out of mines.
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The Puddling method was invented by Henry Corts, to improve the efficiency of turning pig iron into wrought iron
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The First Telegraph was invented for an another way to comunicate with others using eletric.
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The Light Bulb was invented by Thomas Edison so people can see in the dark and for mining in the dark.
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The First Telelphone was invented by Alexander G. Bell, so people can communicate with their relatives and friends
