Ключевые слова: alternative, art, background, bright, bulb, concept, conservation, contour, creative, design, diode, eco, ecology, economical, economy, efficiency, electric, electrical, electricity, energy, environment, equipment, fluorescent, graphic, icon, idea, illuminated, illumination, illustration, innovation, inspiration, invention, isolated, lamp, led, light, lightbulb, line, linear, lineart, modern, object, outline, power, save, saving, sign, symbol, technology,