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PT. Dua Putera Indo Sejahtera
A device that produces light. The word "lamp" can also mean light bulb. The lamp was first invented by Sir Joseph William Swan
Deliberate use of light to achieve a practical or aesthetic effect. Lighting includes the use of both artificial light sources such as lamps, as well as natural lighting by capturing daylight. Daylighting (using windows, ceiling lights, or light shelves) is sometimes used as the main light source during the day in buildings. This saves energy instead of using artificial lighting, which represents a major component of energy consumption in buildings
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