You can also check notice if your rug could use a deep clean by lifting a corner of the rug and slapping it with a back corner of your hand. Some of these tasks include cleaning the refrigerator, washing the oven and stove, cleansing the windows or scrubbing the bathtubs. http://Cgi.Members.Interq.Or.jp/venus/awabi/awabijinja/bbs04/index.html