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The diagram illustrates the process of the water cleaning. Overall, processing the water is totally man-made and lengthy process, including 10 different stages, which starts with intaking the raw water from screens to remove some west and finishes with producing clean water to local people. The process begins when the dirty water intakes through the screens to remove unnecessary rubbish like leaves, plastics or rocks. Once they begin the process, the water passes through pumps to starts cleaning pressure. Next, the water flashes mix with polyaluminium chloride and oxidants. Then the mixture transports to flocculation prosses, the trashes into the water combines together. Following this the water settling into a basin then their west separates from the water. In the subsequent step is treating the water with chlorine and filter them with membrane to remove small bacteria. Afterwards it disinfections with chlorine, lime or sodium hydroxide and fluorides. At the end they deliver through pumped for public use.