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4 Written Questions

3 Multiple Choice Questions

  1. If a cable broke and the cage began to fall, a spring caused two steel ________ to shoot out of the side of the cage.
  2. The main purpose of steam powered elevators was to move ________ from one factory floor to another.
  3. Manhatten's first skyscraper, the twenty-two-story Flatiron Building is still a New York _________.

3 True/False Questions

  1. shaftIf a cable broke and the cage began to fall, a spring caused two steel ________ to shoot out of the side of the cage.

          

  2. methodElisha Otis invented a ________ that kept the cages from crashing to the ground.

          

  3. conveyHis invention kept accidents from happening if a rope or wire ________ broke.

          

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