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Used to quickly grind flour and other materials
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The first printing press makes printing materials much easier.
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Write and draw with a consistant utensil
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Easily seperates cotton from its seeds
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The first vaccines were crude but had the same purpose as they do today, to protect from future encounters with a disease
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Communicate in a quick way that cant be listened to unless the listener also knows morse code
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First mechanical cumputer crude and simple but it makes simple calculatons
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Karl Benz gas powered vehicle is invented making transportation easier.
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The first radio can transmit news fast
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The first atomic bombs could destroy a whole city in one explosion whoever posesses them has a huge advantage