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4 Written questions

3 Multiple choice questions

  1. Elisha Otis invented a ________ that kept the cages from crashing to the ground.
  2. These fitted into slots running the length of the elevator ______, keeping the cage from falling any further.
  3. This is the way the great __________ of Europe were built hundreds of years ago.

3 True/False questions

  1. freightThe main purpose of steam powered elevators was to move ________ from one factory floor to another.

          

  2. structureThese fitted into slots running the length of the elevator ______, keeping the cage from falling any further.

          

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