At present, the problem of pollution in the water is more important because it is pollution from contaminated wastewater in origin, such as waste water from households, waste water from agriculture. From various industries to make the quality of the surface water source, which is the source of the raw water to produce water broken down. Sometimes results in spoilage could not be used to consume. Make the surface water sources in the country of Thailand, there are definitely a number of quality is much reduced. Shortage of water has to be used in the activities of the people.
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