Elevators Are vertical transportation devices that are designed to move people or goods between different levels of a building or structure. Elevators consist of a cab or car that moves up and down along vertical rails or guides, which are typically located in a hoistway or shaft that extends through https://mediajx.com/story15476289/%D8%B4%D8%B1%D9%83%D8%A9-%D9%85%D8%B5%D8%A7%D8%B9%D8%AF-%D9%81%D9%8A-%D9%85%D8%B5%D8%B1