Ключевые слова: black and white, building, chemical plant, chimney, coal, dusk, ecology, electric, electric pylon, electrical, electricity, emission, energy, environment, environmental, exhaust, factory, fuel, fume, gas, generate, generator, heavy industry, industrial, industry, infrastructure, manufacturing, monochrome, oil, oil tank, petrochemical, pollute, polluting, pollution, power plant, power station, powerplant, production, smoke, smokestack, stack, steam, structure, sunset, technology, tower,