Drinking water safety, sanitary toilets and improvement of living conditions in poor areas have always been the most realistic and urgent livelihood projects affecting the health of rural populations.
Drinking water safety, sanitary latrines and improved living conditions in poor areas have always been the most realistic and urgent livelihood projects affecting the health of rural people.
Drinking water safety, sanitary toilets and improvement of living conditions in poor areas have always been the most realistic and urgent livelihood projects affecting the health of rural population.<br>