| 4. | To comply with monitor and inspection of the quarterly , half yearly , and yearly inspection and remedy of rooftop , roof space , deck , ground , basement , down pipe , sanitary pipe , air vent , cement & concrete , structural , foundation , beams , ironmongery and all related 对屋顶,地板,地下室,下水道,排水管,排气口,水泥和混凝土,地基等相关的结构设备进行每季度,每半年,每年的检查和修理。 |