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The new design of elevators is added with a self-examining system, in case of a lack of timely maintenance existing or internal failures that can't be sensed occurring, the elevator will stop automatically, indicate the related personnel that they should carry out maintenance as soon as possible through its LED screen and projection, and make the public realize the real-time safety risk of the escalator, so as to actualize the safety for taking the escalator and to avoid the occurrence of tragedies.
Zengcheng college of south China no
Zengcheng College of South China Normal University