This is a market activity that represents a multi-technology treatment. In the case of products requiring treatment, the market mix is provided by activities treating products as defined by the geographical location of the market, and they provide activities that generate the product as waste (recyclable) / waste (non-recyclable) in undefined processes (presented as negative inputs in the system model). In relevant cases, transportation to treatment facilities or losses are also accounted for in such markets. This is the market for \"domestic sewage\" in Qiannan Buyi and Miao Autonomous Prefecture, Guizhou Province. Covering the transport from producer to consumer of the product within this geographical area.