Ключевые слова: black, bright, bulb, business, concept, contour, creative, creativeness, design, drawing, ecology, efficient, electric, electrical, electricity, electronic, energy, glasses, graphic, icon, idea, illumination, illustration, innovation, lamp, light, lightbulb, line, loop, low, lowenergy, minimal, modern, original, outline, power, profile, progress, ray, save, saving, shining, simple, symbol, technology, watt, web, white,