WSI now member of BDZ e.V.
WSI has been accepted as a member of the Training and Demonstration Centre for Decentralized Sewage Treatment – BDZ e.V. The BDZ e.V. is an initiative for the promotion and establishment
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WSI has been accepted as a member of the Training and Demonstration Centre for Decentralized Sewage Treatment – BDZ e.V. The BDZ e.V. is an initiative for the promotion and establishment
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WSI’s comprehensive solution for school sanitation in developing countries, including construction of toilet buildings, wastewater collection and treatment, IEC and environmental education, has been applied in a second phase in
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