CORRESPONDENCE. WEST MIDDLESEX MAIN DRAINAGE.

Keywords: UK, MAINS, DRAINAGE, SIPHONS, CITIES, SLUDGE, DEWATERING, DRYING, BEDS, SEWAGE, EFFLUENT, VENTURI, FLUMES, DISSIPATION, ENERGY, VISCOSITY, INFLUENCE, VELOCITY, DISTRIBUTION, CURVATURE, FILAMENTS, WATER, MODELS, TESTS, MEASUREMENT, SANITATION, SIZE, TRUNK, SEWERS, CONSTRUCTION, PLANT, DESIGN, TANKS, DIGESTION, WORKS, AERATION, ACTIVATED, INVERTED, PURIFICATION, STORMWATER, CONCRETE, PIPES, GAS, ECONOMICS, WEST MIDDLESEX, LONDON, MOGDEN