Ключевые слова: brainstorm, bright, bulb, concept, creative, creativity, economy, efficient, electric, electrical, electricity, element, energy, equipment, filament, flat, glass, glow, icon, idea, illuminated, illumination, illustration, imagination, innovation, inspiration, invention, isolated, lamp, light, lightbulb, luminosity, power, ray, science, shine, sign, simple, single, solution, spiral, supply, symbol, technology, thinking, transparent, watt, white,