Posted by: Wasrag | May 28, 2012

Necessity is the Mother of Invention – Viet Nam

While traveling prior to the International Convention PDG Chris Offer and PDG Penny Offer came across this innovative water set-up in an orphanage in Viet Nam: “A pump operated by part of a bicycle that pumps into a sand filter system of barrels on the roof.  – it works!”

Water set-up at Siem Reap Orphanage

Bicycle peddling drives pump

Pump Power

Piping system

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