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4 Written Questions

3 Multiple Choice Questions

  1. A set of steel girders fastened together and supported the _________ of the tall buildings.
  2. His invention kept accidents from happening if a rope or wire ________ broke.
  3. If a cable broke and the cage began to fall, a spring caused two steel ________ to shoot out of the side of the cage.

3 True/False Questions

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

          

  2. cathedralsHis invention kept accidents from happening if a rope or wire ________ broke.

          

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

          

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