Ключевые слова: background, bright, bulb, collage, compact, concept, creative, dark, design, ecology, economic, economical, economy, efficiency, efficient, electric, electricity, energy, equipment, fluorescent, generation, glare, glass, glow, idea, illuminated, illumination, imagination, improvement, incandescent, innovation, inspiration, intelligence, invention, lamp, light, lightbulb, modern, object, power, reflection, science, shine, solution, spiral, symbol, technology, transparent, warming, watt,