Water pollution (English: Water pollution). As a major cause of water problems originate from the impurities in the water, both in the form of a stiff suspension and in the format by the impurities that vary according to the source of pollution:1. industrial2. houses and communities.3. agricultural productsWastewater from industrial waste water which is from the manufacturing process, such as cleaning of raw materials a cooling. Cleaning machines, etc. Pollution from industrial wastewater will look different depending on the type of property, products, manufacturing processes, and other factories in General. The same type and with similar production processes. The properties of the waste water and sewage that similar. Sewage from houses and communities, especially those in communities with a population living in a dense, such as the Bangkok municipal area in each province every household to wastewater into public sewer and water table, leaving them to natural water sources flowing into the next. You still have to throw any solid waste and sewage into the rivers, canals, directly. Wastewater from agriculture, including crop and animal Pest animals that lack of most farmers use caution. Make the chemicals from spreading into the water.
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