Long ago, people used primitive lifting tools to transport people and goods.1100 BCReel shovel↓236 BCCombined hoist and pulley system↓Early 19th centurySteam engine↓1889Electrically poweredThis mea...
Types of elevators are classified into four categories: traction and forced drive elevators, hydraulic drive elevators, escalators and moving walkways, and other types of elevators.Traction and Forced...
With the rapid development of the economy, elevators have become more popular in high-rise and super high-rise buildings as a vertical means of transportation. However, the power consumption of elevat...
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