LED energy saving lights and then break
fecha:2010-11-24 17:08
ing street lighting, the light illumination issued as part of a great need not be projected onto the pavement outside the areas of lighting, but the road really needs to be illuminated only by accounting for all the light emitted by light source less than half of the flux, light according to a low utilization rate, resulting in loss of light and energy waste, light projected onto the pavement outside, but also the formation of unnecessary light pollution. General lighting lamps, the use of shade
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08/02 12:40