Ключевые слова: alternative, arrow, art, banner, bio, conservation, contour, cycle, eco, ecological, ecology, electricity, energy, environment, environmental, glowing, green, icon, illustration, isolated, label, leaf, leaves, light, line, linear, lineart, logo, natural, nature, neon, organic, outline, panel, power, recycle, recycled, recycling, reuse, sign, sticker, sun, sunlight, symbol, tag, technology, waste,