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Invented by Eli Whitney, made cotton easily separated.
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Invented by Eli Terry. Made it possible to tell time
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Robert Futon, Made it possible to move goods up and down rivers much faster
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Made it possible to till up fields much faster
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Made possible to have longer bridge
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Invented by John Mason, Made it possible to save foods and can garden goods
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Created as a fence to keep livestock in, fast way of building fence
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Made for public transportation
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Made communication much faster
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Form of entertainment, could listen to broadcasts
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Made to go underwater
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Form of metal, does not rust
