Through a survey of an area of the region and the increase of the population (annex 1, 2, 3, 4) can be easily found along with economic development, urbanization and more powerful place is the boom in population. The increase of the population in a way tróng the face pulled by demand for lighting equipment, demand for electricity is rising high, pressure, energy industry asked required a new renewable energy source alternative, environment-friendly medium medium power saving.
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