Nowadays, there are many changes has been occurred in the fields like industry, computer as well as software. They have contributed significant progress in all different sectors. By pushing the switch or button, you call a metal box that transports you from one floor to another with safely. In fact, an elevator is mandatory for a building which has more than four to five floors high. For most of the people, an elevator offer ease as well as convenience, and also makes life easier for physically handicapped persons. This article discusses what is the elevator, how does it work and types.

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