The public * * * maintenance fund of the house selling unit is raised by the house selling unit and the house purchasing staff * * * and belongs to the house purchasing person, which is used for the maintenance of public * * * parts and * * * facilities and equipment after the warranty period of residential buildings expires.

According to the law, * * * refers to the main load-bearing structural parts of the house (including foundation, internal and external load-bearing walls, columns, beams, floors, roofs, etc.). ), outdoor walls, hallways, stairwells, corridors, etc.