henk holtslag

henk holtslag

Advisor Low cost technologies
Free lance
NetherlandsGlobal citizen
Education: Undergraduate
Bio: 25 Years of experience in developing countries, including many failures. Specialised in Low cost technologies like Manual well drilling, Rope pumps, Groundwater recharge, Small scale irrigation and Household water filters. Trainer of local private sector in some 15 countries in Africa, Asia and Latin America.

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