female guests that are about to take up the 4th floor, the hotel does not coal machine, luggage carry. 90p air-conditioning automatically switches off, then it receives a response to turn itself off and then wake up the air conditioner several times. The electrical socket collapses, falls out of the wall, the connection point between the wall and the power outlet is a loose cable, the room has a fan that blows down the wall but cannot be used.