Ключевые слова: battery, black, blue, business, colours, concept, construction, container, crude, design, development, earth, ecology, energy, environment, environmental, equipment, fuel, gas, gasoline, global, green, growth, house, icon, industrial, industry, isolated, land, liquid, metal, natural, nature, object, oil, outdoors, plant, pollution, power, resource, signs, single, steel, symbol, technology, tree, water, white,