Ключевые слова: art, black, blue, bright, bulb, clip, concept, creative, design, doodle, drawing, efficient, electric, electrical, electricity, electronics, energy, energy saving, fluorescent, glass, graphic, halogen, icon, idea, illumination, illustration, innovation, inspiration, invention, isolated, light, light bulb, lightbulb, low energy, outline, power, ray, shine, simple, symbol, technology,