1. Usage buildings (homes, business. sales. Baths, public restroom):by using the manhole integrated health pipe and sewer pipe.
 Example) how to install existing building of 2-20 floors of apartment: toilets are located in a 1 column, to install the manhole size about 400X400x500h in the lower ceiling on the basement connect to the sewer pipe.
    Home toilets’ capacity can be held 1-2 liters type toilet.
    
 Features: constantly thrown away sewage and night soil are treated as non-motorized technology and flows into the sewage treatment plant. (Meanwhile, night soil has been transferred by the our lives’ drinking water, but sewage is used to transport irrigation repeating twice)

2. The effect of water service and sewerage
 1) Reduction of maintenance costs
 2) Provide practical ongoing sewage sludge recycling technology.

3. Provide environmental restoration global warming climate response
   Since the mid-'70s joint housing development and improved quality of life, toilet water is used to apply as the life water and dams in the mountains began to increase by the geometric series and the currently there are 600 dams also has been called the ecosystems.   OECD countries abandoned a lot of water into the ocean which occurs to change the temperature of the sea. These reasons occurs lack of life water and environmental problems of the global warming.