Ключевые слова: activity, bright, bulb, concept, creative, creativity, design, drawing, education, efficient, electric, electrical, electricity, energy, equipment, flat, fluorescent, glow, glowing, graphic, icon, idea, illuminated, illumination, illustration, imagination, incandescent, innovation, intelligence, intelligent, invention, lamp, light, lightbulb, power, simple, solution, symbol, technology, think,