Ключевые слова: art, background, black, bright, building, bulb, city, clip, concept, conceptual, creative, design, doodle, drawing, efficient, electric, electrical, electricity, electronics, energy, energysaving, fluorescent, glass, graphic, halogen, icon, idea, illumination, illustration, innovation, inspiration, invention, isolated, light, lightbulb, logo design, logos, lowenergy, outline, power, ray, shine, simple, symbol, technology, tower,