Ключевые слова: brightly, bulb, clean, conservation, creativity, current, economical, economy, efficiency, electric light, electrical, electricity, energy, equipment, fluorescent light, glass, ideas, illuminated, illustration, inspiration, isolated, kilowatt, lamp, lighting, lighting equipment, logo, luminosity, mercury, motivation, object, outlet, power, royalty free illustrations, single, spiral, stock clip art icon, stock clipart icons, stock illustration, strength, thrift, twisted,