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Facts for Family Planning
recommended
Adapted from the WHO's Decision-Making Tool for family
planning clients and providers
For emergency relief staff
A guide for doctors providing health services for children. 2nd edition
Safe Water School Training Manual
recommended
Blue Book. The Medical Guide for our Projects
recommended
9th edition; 4th English edition 2020
A septic tank takes raw sewage in, allows the solids to settle (sludge) and allows the remaining liquid to flow into the surrounding soil by means of a soakaway. Scum on the surface is also prevented from leaving the tank. Microorganisms in the anaerobic environment in the tank digest the sludge and
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