4 Written questions
3 Multiple choice questions
- His invention kept accidents from happening if a rope or wire ________ broke.
- A set of steel girders fastened together and supported the _________ of the tall buildings.
- This is the way the great __________ of Europe were built hundreds of years ago.
3 True/False questions
method → The stone was not cheap and this ________ of building used a large amount of cut stone.
freight → The main purpose of steam powered elevators was to move ________ from one factory floor to another.
landmark → If a cable broke and the cage began to fall, a spring caused two steel ________ to shoot out of the side of the cage.