Advantages of using Escalator :
1. Productivity means large transportation capacity, even flow of people, and continuous transportation of people.
2. Easy to get up and down: people can get up and down at any time without waiting for a certain time like an elevator, so the escalator has the advantage of the continuous and rapid evacuation of a large number of people.
3. Less space occupied: The escalator does not need to install a machine room at the top of the building and consider buffer pits on the ground floor. It occupies less space than an elevator. When a fault occurs, the escalator can be used as a general staircase, rather than an elevator. , a vulnerability that interrupts use is generated.