Introduction: We clean houses using a variety of chemicals and disinfectants. We vacuum hardwood floors and carpets. We sweep up debris. We clean toilets. We place fresh linens on bed. We scrub stains, mold and mildew from surfaces. We empty wastebaskets and take out trash. We put dishes into the dishwasher. We occasionally wash dishes, then put dishes away. We clean upholstered furniture and drapes. We dust tables, wood surfaces and shelves. We clean and dust windows. We wipe down appliances. We mop, polish and wax floors. We wash baseboards, walls and ceilings fans. We plump pillows and dust cushions.