Ключевые слова: alternative, asset, battery, bin, bio, box, bulb, collection, design, eco, ecological, ecology, elements, emblem, energy, environment, flat, fuel, graphic, green, icon, icons, illustration, industrial, leaf, module, nature, object, panel, plant, plug, power, recycle, renewable, set, solar, sun, sustainability, technology, transport, turbine, water, wind, world,