Chapter 1IntroductionWater quantity to 71 percent of the Earth. Water is very important in the daily lives of both humans and animals in one day, the average daily water use, human 48 litres per person (2555 (2012)), which in the current of water that can be taken, it has reduced consumer every day. If the water on the Earth is salt water, it is 100 percent, 97 percent of all water, it refers to the amount of fresh water that we will use the remaining consumer just 3 percent, only 3 percent, but in the water they are rotten and dirty. The consumer can use the clean water it low full. If we also use the water lack consciousness. Do not heal Consumer water is still insufficient. Therefore, we should maintain the water together.For both reasons, waste water from natural causes, such as humans and simple people, many people throw garbage into the River, regardless of the consequences to come, and also caused the creation of waste water, industrial waste water by the river and release or dispose of sewage into rivers without the "sh"Bulletin prior to waste water treatment There are some water source of clogging the drain area. Wetlands and spoilage occurs in most For example, water moat, moat, which is important in both the past and present in the current city of Chiang Mai, but water continued in the city began to decay, so we must have to maintain and protect this important water source from contamination by the cultivation of the consciousness of a desirable, advocacy.Those industries and the importance of water and the use of sacks his Majesty. In regard to care, such as water turbine development victory. To add oxygen to give water by Jane SIM can help eliminate chest cause spoiling bacteria in water and water has improved conditions. Water around the world, but there are many that can be used with just half of all water and water that is miniscule, it is rotten to consume or consumed can not be used. As the water in the moat, which are very important to the city of Chiang Mai in both past and present. But this is currently ignored much spoiling we so care, public awareness of the importance of water in the moat and moat, developed the condition as good as the original.
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