The Best Primary E-Khmer Documents and Educational Sources
Tuesday, March 22, 2011
The Rova pump
The Rova pump is a new Cambodian design. Now you do not need to lift heavy buckets and the top of the well is sealed: it will help protect you from water borne diseases.
The Rova pump is a new Cambodian design. Now you do not need to lift heavy buckets and the top of the well is sealed: it will help protect you from water borne diseases.
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