What is the most important difference between the angle of the elevator in concrete and metal buildings?

In buildings with a concrete frame, a metal plate is used to isolate the elevator, but there is no need for this in buildings with a metal frame.

How is the cost of elevator hardware determined?

The cost of this work is measured according to the number of floors of the building, the type of building skeleton, the daily price of iron, the method of welding, the height of the well, and the worker's salary.

What steel sections are used in the elevator?

Beams, gutters and columns are the most important steel sections used in elevators.