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