direct current. They are also compatible with control devices such as dimmers, timers, and photo sensors, and can be used both indoors and outdoors. As a result, the incandescent lamp is widely used both in household and commercial lighting, for portable lighting such as table lamps, car headlamps, and flashlights, and for decorative and advertising lighting. They are made in an extremely wide range of sizes, wattages, and voltages. Manufacture of these bulb is relatively cheap; therefore the end cost…
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