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(1)Spare the wait inside hall button, to press lightly, according to the bright don't repeatedly for, banned by abvance sharp touch flap or play button. 

(2)Wait ladder, it is strictly prohibited to rely on layer door, lest affect layer to open the door to door open or fell into its compartments, even for a mistake of door (the elevator) fall well way, causing death or accident. Hand on, bump, kick the door or holding things with layers of open door, can damage layer door structure, even fall well way.