The video description and bulletins are written for sponsoring organization - not for the local population. The manager should use this condensed information and instructions to teach, instruct, supervise, train and guide the local people in constructing clean water systems. By the completion of the second installation, modifications to meet local conditions and to utilize local materials will become evident . This spring is typical of the drinking water used in the bush or interior of under-developed countries. It is disease-ridden and polluted by animals and humans.
Water is frequently in short supply.
This video depicts construction of a clean water system. It is important to have the .local villagers perform as much of the work as possible. Not only does it make them feel that it is theirs, but it also trains them how to construct a system. The water being collected by these children for cooking and drinking must be boiled or passed through the sand filter. A teaspoon of bleach added to 20 liters of filtered water, which is allowed to stand overnight, will eliminate most germs.