CORRESPONDENCE ON THE MAIN DRAINAGE OF CAIRO.

Keywords: EGYPT, MAINS, DRAINAGE, CITIES, COUNTRIES, DEVELOPING, SANITATION, PUBLIC HEALTH, SEWERS, VELOCITY, GRADIENTS, SEWAGE, EFFLUENT, MOSQUES, LATRINES, FLOW, DISPOSAL, DESERTS, FARMS, IRRIGATION, COMPRESSORS, EJECTORS, AIR, COMPRESSED, WORKS, TREATMENT, LIQUEFYING, CHAMBERS, CHOLERA, TYPHOID, RAINFALL, RIVERS, PIPES, PUMPING STATIONS, COLLECTORS, DRAINS, GAS, HOUSES, DISEASES, UNDERGROUND, SEWERAGE, SYSTEMS, WATER, CONSUMPTION, INTERCEPTING, TRAPS, PURIFICATION, WATER SUPPLY, TEMPERATURE, CLIMATE