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... scum. The system consists of several stages, supply to the tank, the tank itself and the soak field.
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Accessibility is by law; not just a favour. The booklet contains what the laws say about physical accessibility and their interpretation
This factsheet describes the work and activities of the Center for Disease Control and Prevention (CDC) in Mozambique as well as its impact in this country.
AN ANALYSIS OF UNICEF MICS 3 SURVEY DATA FROM BANGLADESH, LAO PDR, MONGOLIA AND THAILAND
Working with limited resources in armed conflict and other situations of violence. Vol.2
This booklet provides policymakers, planners, and other interested parties with insight into the current state of the Rwandan health sector. These statistics provide a basis for policies, strategies, and planned interventions to ensure they are responsive to the needs of the health sector and, cruci...ally, are focused on addressing current priorities that aim to improve the health of the Rwandan population.
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Climate change is a verified, global phenomenon, but its consequences will not be evenly distributed. Developing countries and small island nations will be the most affected. Countries will experience more frequent extreme weather events and resulting changes in water quality and availability, incre...ased contamination of air, and food security problems. Health impact due to climate change include diarrhoeal diseases, vector-borne diseases, heat stress, malnutrition, deaths and injuries due to extreme weather events and mental stress.
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Adresssing climate change impacts on infrastructure: preparing for change. Fact sheet