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4 Written questions

3 Multiple choice questions

  1. His invention kept accidents from happening if a rope or wire ________ broke.
  2. Elisha Otis invented a ________ that kept the cages from crashing to the ground.
  3. This is the way the great __________ of Europe were built hundreds of years ago.

3 True/False questions

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

          

  2. structureA set of steel girders fastened together and supported the _________ of the tall buildings.

          

  3. rodsThe stone was not cheap and this ________ of building used a large amount of cut stone.

          

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