ព័ត៌មាន
Southeast Asian scientists look to reinvent the flush toilet
Scientists in Bangkok are about to start work on a new flush toilet especially designed for the urban poor in Thailand, Cambodia and Vietnam. Their aim is to create a toilet that will process wastewater in family homes and convert it into gas or electricity, ...
http://www.trust.org/alertnet/news/southeast-asian-scientists-look-to-reinvent-the-flush-toilet