Ключевые слова: background, bright, bulb, business, cable, choice, closeup, color image, concept, connection, copy space, creativity, design, eco, ecology, efficiency, electrical component, electricity, energy, environment, equipment, generation, glowing, hanging, idea, illuminated, incandescent, innovation, inspiration, lamp, light, light bulb, lightbulb, lighting equipment, power, savings, shine, shiny, sign, social issues, star, switch, technology, wall, wire, yellow,