Elevator
vertical transport device / From Wikipedia, the free encyclopedia
An elevator or lift is a vertical transport vehicle that efficiently moves people or goods between floors of a building, ship or other structure. They are generally powered by electric motors that either drive traction cables and counterweight systems, or pump hydraulic fluid to raise a cylindrical piston. Languages other than English may have loanwords based on either elevator (e.g., Japanese) or lift (e.g., Cantonese). Because of wheelchair access laws, elevators are often a legal requirement in new multi-story buildings, especially where wheelchair ramps would be impractical.