2010 - Septic tank (drawing). GTZ Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) GmbH, Germany. [148.69 KB]
Summary: Drawing taken from "Feasibility Study for the establishment of a poverty-oriented water supply and sanitation services for Yei, South Sudan" …
Uploaded on 9 Mar 2012 • Views: 1000 • Downloads: 161