Elevators are a type of vertical transportation primarily used for transporting people and goods vertically within buildings. The functions of a general elevator include:

Transportation: Elevators can transport people or goods up and down, saving manpower and time.

Safety guarantee: Modern elevators are usually equipped with multiple safety measures, such as electronic door locks, safety doors, and overload prevention.

Energy saving: The operation of elevators can save manpower, and the energy-saving design of modern elevators can also help reduce energy consumption.

Automatic control: The operation of elevators can be achieved through automated control, which improves efficiency and safety.

Providing convenience: Elevators can provide convenience, such as allowing people with limited mobility to easily enter and exit buildings.