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Inventions and Inventors

Crossword Puzzle
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Across
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People found a way to save important images.
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Can be a landline or a mobile
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You write on this.
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Each letter has different pulses of electricity.
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Invented the steel plow
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Invented hair products
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Created the lightbulb and the motion-picture projector.
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Founder of a motor company
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Experimented with wireless electric power
Down
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Sees something that is broken
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Helps you find your way (not a map).
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Invented the oil cup
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Developed the printing press
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Has two hands
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Invented the electric battery.
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Invented the mechanical reaper
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Developed 300 products from peanuts
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They don't need wires
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Invented the traffic light and gas mask.
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First internal combustion engine.