1). Urban planning must be appropriately. Maintain the natural drainage system, retain for drainage from the area, but if it is necessary to develop a space industry source, community source. So the water flows across a natural drainage area. 2). road construction must be placed, drainage system culvert bridge, which is suitable for both a location number and size of
3). In areas where groundwater is pumped underground water must not be used without control. To prevent erosion of soil from the area in front of the wash out by appropriate methods, such as using vetiver planting groundcover, etc.
การแปล กรุณารอสักครู่..
