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.more
L.V. TharyCambodian Insittute for Cooperation and Peace
(2009)
C1
This paper showed a large positive correlation coefficient between psychosocial health problems and dysfunctional abilities among rural community members
This Teacher’s Guide accompanies the WHO publication Management of wastes from health-care activities . It provides teaching materials and recommendations for a three day training course, designed mainly for managers of health-care establishments, public health professionals and policy makers
Informe Conjunto de Organizaciones de Defensa del Derecho a la Salud al Comité de Derechos Económicos y Sociales de las Naciones Unidas, con motivo del Examen del 3er Informe Periódico del Estado Venezolano en el Período de Sesión 55° del Pacto Internacional de Derechos Económicos, Sociales y... Culturalesmore