Ключевые слова: bio, black, bulb, concept, eco, electric, electricity, emblem, energy, environment, glyph, green, icon, idea, illustration, innovation, isolated, lamp, leaf, light, lightbulb, line, natural, nature, organic, outline, pictogram, plant, power, product, recycle, reduce, reuse, save, shoot, solid, sprout, sustainable, symbol, technology, thin, waste, white,