Ключевые слова: angle, architecture, connector, construction, frame, hangar, industrial, industry, iron, lens, light, metal, office, pattern, personal, perspective, pipe, pipeline, pipework, piping, place, reflection, roof, room, shiny, show, silver, sky, station, steel, steelwork, storage, store, strength, strong, structure, system, technology, texture, transparent, tube, unit, urban, warehouse, water, welding, wide, window, work,