Ключевые слова: air, architecture, building, burn, business, car, cement, chimney, climate, clouds, concrete, construction, container, conveyor, day, dirty, environment, equipment, factory, factory building, furnace, grey, heavy, industrial, industrial background, industrial buildings, industry, machine, machinery, manufacturing, material, pipes, pipework, plant, pollution, process, processing, produce, production, rock, sand, silo, site, stone, storage, structure, technology, tower, work, workplace,