The term 'Dust Buster' is used to refer to a variety of small, handheld vacuum cleaners. The most common type is the handvac, which is a 7-letter word. Carpetsweeper and electricbroom are both 13-letter words that refer to larger, more powerful handheld vacuums. Vacuumcleaner is also a 13-letter word, but it typically refers to a larger, upright vacuum cleaner. All of these devices are designed to help remove dust and dirt from carpets, furniture, and other surfaces.