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Inventions and Inventors

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