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What are elevators?
elevators are machines installed in tall buildings ,to take people to upper floors in few seconds. Answer .
el·e·va·tor (?l ' ?-v?'t?r) n. .
A platform or an enclos…ure raised and lowered in a vertical shaft to transport people or freight. .
The enclosure or platform with its operating equipment, motor, cables, and accessories. .
A movable control surface, usually attached to the horizontal stabilizer of an aircraft, that is used to produce motion up or down. .
A mechanism, often with buckets or scoops attached to a conveyor, used for hoisting materials. .
A granary equipped with devices for hoisting and discharging grain. .
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