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Jet Engine, Atomic Bomb, Radar, Electric Toothbrush, Slinky (the toy), helicopter, microwave oven, antibiotics, microscope, aluminum, motor oil, rubber, Penicillin, rockets, the flame tank, German panzer tank, etc.

If this is a project or something, i think this is plenty.

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Wiki User

12y ago

What else can I help you with?