1.Wastewater from the community are surely many houses. The commercial or office. This is the amount of water used is one which of most of the regular become effluent.Which consist of organic food, fat and waste contaminants
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2.Wastewater; wastewater from production systems, cooling the building housing and office, shops and a cafeteria. A substance may be mixed to various chemicals, radioactive, toxic substances, sandy soil and rubbish.Born poisoning with organisms in water. The rotten's color, smell
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