Black Passenger Elevator Factory introduces the set requirements of the escalator slope:
1. Escalator and moving walks shall not be counted as safe exits;
2. The width of the unblocked area should not be less than 2.50m, and the width should be increased when there is a dense flow of people passing through the unblocked area;
3. The handrail should be flat, smooth, and without protrusions; the...
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