The forecast of noise pollution that may arise from the development of the villagers, then find the maximum volume that may occur with a value equivalent to the volume of activity common to mankind in General, and has a value less than the value of the standard volume, generally at 70 dB (A) (in accordance with the national environment Board b.e. 2540) and the volume of work generated by the wind turbine is reduced gradually. When that point is located a distance away from the location of wind turbine (as the figure 2.27).
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