Abstract
.Light bulb with the technology used has many kinds, together. Each tube type optical electrical and it possesses different. In choosing the light bulb within the building. For saving electrical energy. To select an effective tubeHigh, long service life, and optical properties of the tube. But something must choose tubes that are not saving energy. Therefore, the tube used to consider appropriate in application.Should focus on system energy efficiency. Level of illumination sufficient right to use and the quality of the light. Which of these things is what represents the quality of the light.Surely can design or select lighting system properly and efficiently
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