Ключевые слова: background, bright, bulb, cerebrate, concept, contemplate, creative, creativity, design, eco, ecology, efficient, electric, electrical, electricity, electronics, energy, flat, fluorescent, graphic, halogen, icon, idea, illumination, illustration, imagine, innovation, inspiration, invention, lamp, light, lightbulb, lights, ponder, power, saving, shadow, sign, solution, symbol, technology, think, yellow,