Each tenant shall comply with all obligations imposed upon him by the lease agreement and by applicable provisions of all State and County statutes, codes, regulations and ordinances, and in particular: Keep that part of the premises which he occupies and uses clean and sanitary; Dispose from his dwelling unit all rubbish, garbage, and other organic and flammable waste, in a clean and sanitary manner; Keep all plumbing fixtures as clean and sanitary as their condition permits; Properly use and operate all electrical and plumbing fixtures; Prevent any person on the premises with his permission to willfully or wantonly destroy, deface, damage, impair or remove any part of the structure or dwelling unit or the facilities, equipment or appurtenances thereto, nor himself do any such thing; Comply with all legal covenants and rules which the landlord can demonstrate are reasonably necessary for the preservation of the property and persons of the landlord, other tenants, or any other person; Refrain from interfering with the rights of other tenants to peacefully enjoy the use and occupancy of the premises; Provide to the landlord a copy of the key necessary to gain access to the premises if locks have been added, altered or changed by the tenant from the date of the lease agreement.