Ключевые слова: alternative, architecture, art, bin, blue, building, can, concept, container, contour, drop, eco, ecology, electricity, energy, environment, estate, flat, friendly, generator, glowing, green, home, house, icon, illustration, isolated, light, lightning, line, linear, lineart, neon, outline, power, real, recycle, recycling, renewable, rubbish, symbol, technology, trash, turbine, waste, windmill,