Ключевые слова: arrow, bright, bulb, concept, creative, design, eco, efficient, electric, electrical, electricity, element, energy, equipment, flat, fluorescent, glass, glow, glowing, graphic, green, halogen, icon, idea, illuminated, illumination, image, imagination, innovation, inspiration, intelligence, invention, lamp, light, lightbulb, luminosity, object, outline, power, reativity, shadow, shape, shine, sign, solution, symbol, technology, watt,