A lift, or an elevator, is run by the suspension of a boxed shaped enclosure on cables. To make the elevator go up, the cables are pulled from below through the use of a pulley system. The same is for going down except there are a series of brakes applied to make sure the cable does not fall.
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Pascal's principle
working principle of a compressor
The principle of a fuse is to have the flow to the conductor. This will give it the power.
Geophone Are Moving Coil Electromagnetic type principle is contained
gravity separation