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close this section of the library 12.00 Water, Sanitation and Sewage Disposal
open this document and view contents 7. Water supply - Wastewater - Irrigation
open this section of the library and view contents 12.01 Water and sanitation, hydrology
open this section of the library and view contents 12.02 Water resources (surface water, groundwater)
open this section of the library and view contents 12.03 Hydraulic structures (dams, intakes, wells, ponds, cisterns)
open this section of the library and view contents 12.04 Pumps and other water- lifting devices
open this section of the library and view contents 12.05 Water supply and storage
open this section of the library and view contents 12.06 Water treatment and purification (biological, chemical, physical)
open this section of the library and view contents 12.07 Sanitation. Waste water and sewage disposal