Ключевые слова: bright, brighten, brightness, brilliance, electric, electric glare, electrical, electrical usage, electricity, electrified, energy, energy efficiency, energy efficient, energy saving, fluorescent, glow, glowing, glowing bulb, illuminated, illuminated bulb, incandescent, innovation, intensity, light, light bulb, lighting, lit, luminary, luminosity, power, radiant, radiant bulb, sparking, switch, technology, turned on,