Ключевые слова: alternative, bulb, concept, conceptual, consumption, creative, earth, eco, eco friendly, ecological, ecology, electricity, energy, environment, environmental, future, glass, global, green, icon, idea, innovation, invention, isolated, lamp, leaf, light, lightbulb, natural, outline, planet, plant, process, renewable, resource, reusable, reuse, silhouette, solar, solution, sunlight, sustainability, sustainable, symbol, technological, technology, warming, waste, welfare,