The elevator does not need to be sealed
An old cell phone, logo can not see
If it is emergency electric operation, need to block the safety gear switch, gripper switch (asynchronous machine), speed limit switch, upper and lower limit switch, the buffer switch
Why is it? Safety or the door lock what did not come? What did not come to the closure of what to trace the hundred grams of knowledge for a long time Huan Bao magic chant hall door and car door not sealed with insecurity
