Ключевые слова: architecture, building, business, ceiling, commercial, construction, diminishing, distribution, empty, engineering, equipment, factory, floor, garage, hall, hangar, heavy, huge, industrial, inside, interior, lamp, machinery, maintenance, mechanical, metal, metalwork, metalworking, nobody, piles, plant, production, room, shop, station, steel, storage, storehouse, structure, symmetry, technology, urban, vanishing point, wall, warehouse, window, workshop,