Classroom on demand

Welcome to Classroom on demand, your source for educational materials related to the vertical transportation industry. This site represents the knowledge and expertise of the best engineers and mechanics in the elevator industry, and will help those new to the elevator industry learn about the basic workings of elevator systems, and also will serve as a reference for people with more experience.

Demarcation Line

Located near the edge of an escalator step tread, consisting of a machined groove or contrasting material provided to assist passengers in boarding the escalator by designating the step outline as the step unfolds.

Tags:  escalator


Popular Tags