An elevator is a vertical elevator powered by a motor, equipped with a box-shaped pod, which is used for multi-story buildings to carry people
or carry goods. There are also steps, step boards are mounted on the track to run continuously, commonly known as escalators or moving walkways.
Fixed lifting equipment serving the specified floors. The vertical lift has a car that runs between Best elevator companyat least two rows of rigid guide rails that
are vertical or have an inclination angle of less than 15 °. The size and structure of the car are convenient for passengers to enter or load
cargo.
It is customary to use elevators as a vertical means of transportation in a building regardless of its driving method. According to the speed,
it can be divided into low-speed elevators (less than 1 m / s), fast elevators (1 to 2 m / s) and high-speed elevators (more than 2 m / s).
Hydraulic elevators began to appear in the middle of the 19th century and are still used in low-rise buildings.