Changes

The EMAS concept is based on a variety of simple technologies such as manual drilling of deep wells, manual pumps built by users themselves, small impounding from springs, ferro cement tanks, sanitary installations and much more. The user learns these simple technologies, and therefore he can maintain and reproduce them himself. A very important factor in this concept is the training of drillers who are suppliers of drinkable water at local level. For many years, these professionals of rural areas offer their services to users and at the same time they transmit their skills to other students.

===History & Social Context===