2002 Lees meer over Blue pump Lees meer over Blue pump 2006 Lees meer over Hand Pump Technology network Lees meer over Hand Pump Technology network 2007 Lees meer over 1/3 hand pumps in Africa do not function Lees meer over 1/3 hand pumps in Africa do not function Rural water Supply - Hand Pumps (in Dutch Development) like Delen Facebook Twitter Linkedin Pinterest E-mail Lees voor Hand Pump Technology network 1992. Handpump Technology Network Founding. (In 2006 RWSN/ SKAT took over)