1. In the case of the Low-Cost Polyethylene Tube Digester model which is applied inBolivia(Peru, Ecuador, Colombia, Centro America and Mexico), the tubular polyethylene film (two coats of 300 microns) is bended at each end around a 6 inch PVC drainpipe and is wound with rubber strap of recycled...
  2. Abstract, Swedish University of Agricultural Sciences, 2015 The aim of the study was to install a biogas system consisting of three tubular polyethylene biogas digesters at a rural household in Malawi and to evaluate the constructed biogas system with regards to relevant system parameters. The...
  3. "Daraja" ni neno la Kiswahili lenye maana ya "Bridge".Daraja Kenya kwa Jumuiya ya Maendeleo ya NGO amesajiliwa katika Norway ambaye viongozi wote ni Wakenya na Norway.shirika inahusisha mfumo wa jumla kwa ajili ya maendeleo ya jamii.Ni kazi pamoja na Asasi (CBOs) katika Kenya.Kwa sasa kushiriki...