4 Written Questions
3 Multiple Choice Questions
- Elisha Otis invented a ________ that kept the cages from crashing to the ground.
- The main purpose of steam powered elevators was to move ________ from one factory floor to another.
- 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
structure → These fitted into slots running the length of the elevator ______, keeping the cage from falling any further.
landmark → Manhatten's first skyscraper, the twenty-two-story Flatiron Building is still a New York _________.
method → The stone was not cheap and this ________ of building used a large amount of cut stone.