4.2 Earth rift Urban areas or communities with a population living in the often massively experiencing water scarcity value, which is generally a fix by pumping up groundwater sources used for industrial, consumer, and as each year, how much.The cause of the water pressure in the ground water level depth. There is a much lower value, then the water in the pebbles, which transcribed chandin sand that groundwater will flow into the dump sand pebbles on the bottom floor, naturally. When the water in the spaces of the soil lost more and more it will gradually collapse the chandin down gradually until it caused the Earth to collapse, the land is usually in the lower basin-wide, such as many areas in Bangkok and Samut prakan province which cause flooding for a long time. After heavy rains because of drainage from the area '' But the first.
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