WATER CONSERVATION (WATER SUPPLY)
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BTWATER DEMAND + WATER LOSSES + WATER CONSUMPTION (WATER SUPPLY)
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UDC628.17*1
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Descriptor GERWASSERSPAREN (WASSERVERSORGUNG)
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Descriptor ENGWATER CONSERVATION (WATER SUPPLY)
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Descriptor FRECONSERVATION DE L'EAU (APPROVISIONNEMENT EN EAU)
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Variant GERSPAREN/WASSERSPAREN (WASSERVERSORGUNG)
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Variant ENGCONSERVATION/WATER CONSERVATION (WATER SUPPLY)
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Variant FREEAU/CONSERVATION DE L'EAU (APPROVISIONNEMENT EN EAU)
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RTWATER WASTAGE (ENVIRONMENTAL PROBLEMS)