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A type of canoe is the oldest boat that has been found.
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The oldest shoe was found in United States
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The ancient Greeks invented the wheel.
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The nails are used for construction
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The first camera used silver chloride.
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Thomas Edison patented the light bulb and started selling it.
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There were created to help people see better.
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The washing machines make doing laundry easier.
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The television was invented to entertain people and to spread information.
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The first cellphone was invented by Motorola.
