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American Firsts

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American Firsts

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  • AIRPLANE

    LIENPRAA
  • LIGHTBULB

    GBIUBLLHT
  • STEAMBOAT

    BAOATESMT
  • SKYSCRAPER

    RRSYAKEPSC

Hint: This innovation, perfected by Henry Ford in 1913, revolutionized manufacturing by moving products past workers to speed up production of cars and other goods.

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