This paper introduces manual desludging hand pump. The design, its use and maintenance is illustrated with many images.
OXFAM (n.y): Manual Desludging Hand Pump (MDHP). Various places: Oxfam International URL [Accessed: 09.12.2010]This paper introduces manual desludging hand pump. The design, its use and maintenance is illustrated with many images.
OXFAM (n.y): Manual Desludging Hand Pump (MDHP). Various places: Oxfam International URL [Accessed: 09.12.2010]