Ключевые слова: architecture, building, business, cement, commercial, concrete, construction, dark, day, dirty, dusk, environment, equipment, evening, facility, factory, gravel, grey, heavy, industrial, industry, machine, machinery, manufacture, manufacturing, metal, night, pipes, pipework, plant, process, processing, processor, production, sand, silo, site, sky, steel, stone, storage, structure, sun, sunset, tank, technology, tower, view, work, workplace,