All open vehicles covered by this subsection shall be free of debris between the hours of 6:00 p.m. and 6:00 a.m. the following days: Monday through Friday, and at all times on Saturday and Sunday. "Debris" shall mean materials such as paper boxes, crates, tin cans, bottles, household sweepings, household receptacles and utensils, lawn cuttings, hedge trimmings, leaves, brush, garden rubbish, any household waste, and other refuse and rubbish of whatsoever kind or description, including used building materials, fixtures and sweepings from construction or destruction.