Among them, * * * use parts generally include residential foundations, load-bearing walls, stairwells, corridors, etc. * * * Facilities and equipment include elevators, fire-fighting facilities, water and electricity pipelines, public facilities, etc. It is understood that if there is water leakage, elevator maintenance and unit security door damage in the building. , need to report to the property company the items that need maintenance. Property companies have the responsibility to organize maintenance projects, announce plans according to legal procedures, and solicit opinions from owners. The use procedure of maintenance funds includes six steps, namely, making maintenance plan, soliciting the opinions of the owners (more than two thirds of the owners agree), filing in the local housing management office, organizing maintenance after the filing is passed, carrying out the completion acceptance of the maintenance project, and applying to the housing management department for allocating the relevant corresponding amount of funds after the completion acceptance.