https://liaoningmovie.net/member?mid=54653089 ja FC2, Inc. Tue, 19 Jun 2007 12:47:33 +0900 https://liaoningmovie.net/content/20070619b2bAecgr/
From an environmental health scientist’s point of view, a restroom is a high risk environment. At its most basic level the restroom is a bio-hazardous waste transfer station – the place where biological waste is transferred from the human digestive system to the sanitary sewer system. All too often the transfer does not occur effectively, and bio-hazardous waste is spread through different areas of the indoor environment, creating a breeding ground for potentially harmful microbes.]]> その他 Tue, 19 Jun 2007 12:47:33 +0900