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What office item was invented by Bette Nesmith Graham in 1951?

  • A.Fax machine
  • B.Stapler
  • C.Liquid paper
  • D.Copy machine

Answer: C

It was Liquid Paper.

Bette Nesmith Graham, a typist at a Dallas bank, mixed white tempera paint in a kitchen blender to cover her mistakes, and sold the correction fluid from her garage. She sold the company to Gillette in 1979 for $47.5 million.

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