what is the function of electricity
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Electrical energy helps to power a city by providing energy to street signs and stoplights, enabling them to function properly. Streetlights, signs and stop lights use the electrical energy that is emitted by power lines that run throughout the city.
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Electricity is an essential part of modern life and important to the U.S. economy. People use electricity for lighting, heating, cooling, and refrigeration and for operating appliances, computers, electronics, machinery, and public transportation systems.
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