Ключевые слова: alternative, background, black, bright, bulb, business, concept, conservation, creativity, dark, dim, economical, electric, electrical, electricity, energy, energysaving, environment, environmental, equipment, fluorescent, glow, green, idea, illuminated, innovation, inspiration, lamp, lightbulb, lit, modern, object, power, render, save, shine, single, spiral, technology, thinking, white,