Sewage is a type of wastewater that enters the sewerage system from household bathrooms, toilets, kitchens, laundries and drains. It consists of approximately 99.6% water and 0.4% of biodegradable pollutants and small solid particles
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Sewage is a type of wastewater that enters the sewerage system from household bathrooms, toilets, kitchens, laundries and drains. It consists of approximately 99.6% water and 0.4% of biodegradable pollutants and small solid particles
Read more