Ключевые слова: business, chemical, close up, complex, connection, control, detail, distribution, dusk, economy, energy, engineering, equipment, facility, factory, fuel, gas, global, heavy, illuminated, industrial, industry, infrastructure, large, machinery, manufacturing, metal, night, oil, petroleum, pipe, pipeline, plant, power, processing, production, refinery, resource, station, steel, structure, supply, system, technology, twilight, valve,