There are two main categories of housekeeping equipment: electrical equipment and non-electrical equipment. Electrical equipment includes vacuum cleaners, polisher machines, blowers, shampoo machines, steam machines, air compressors, and foggers which are used for various cleaning tasks like vacuuming carpets, polishing floors, drying surfaces, shampooing carpets, removing dirt and mildew, cleaning hard to reach areas, and eliminating odors. Non-electrical equipment consists of brooms, dust pans, mop sets, dusters, extension sticks, pads, mops, squeezers, brushes and pads for manual cleaning tasks.