1, facilities, roofs, facades, hallways, staircases, corridors, passages, security rooms on duty, property service rooms, public facilities and equipment rooms, roads and green spaces.

2. Equipment, elevators, trunk sewers, downpipes, lightning protection, unit security doors, fire protection, intelligence, lighting and non-operating parking lots.

Your family is only responsible for running water. Your water meter goes to your house, and the rest belongs to the management office.