A dust collector is a device used to collect dust particles from the air or other gases. CLOTH, COBWEB, RAG, BIN, SILL, and drymop are all items that can be used in a dust collector. CLOTH is a fabric made from fibers such as cotton, wool, or synthetic materials. COBWEB is a type of spider web made of thin, sticky threads. RAG is a piece of CLOTH used for cleaning or wiping. BIN is a container used for storing items. SILL is a flat piece of wood or stone that forms the bottom of a window frame. Drymop is a type of mop used to clean floors without using water.