sewer may get clogged gases generated may explode depth of flow may increase back flow may occur
Answer Discuss in Comment
facultative bacteria + algae aerobic bacteria + protozoa + algae aerobic + anaerobic bacteria anaerobic bacteria + fungii
rotating biological contactor activated sludge process waste stabilization pond aerated lagoon
bacteria bacteria + algae protozoa bacteria + protozoa + fungii
rich in bigger inert solids rich in inorganic matter and micro organisms harmless inorganic sediment rich in organic matter and bacteria
anaerobic bacteria bacteria + algae aerobic bacteria facultative aerobic bacteria
single-storeyed buildings residential flats multi-storeyed buildings industrial buildings
anti-syphonage pipe soil pipe waste pipe ventilation pipe
toilets and urinals wash basins and baths urinals and kitchens from any room
horizontal velocity of flow sp. gr. of grit size of grit settling velocity
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