Ключевые слова: abstract, architecture, background, banner, beam, blue, bolted connection, build, city, concrete, concrete pillars, connection, construction, design, development, engineering, equipment, exterior, factory, frame, girder, indoor, industrial, iron, line, material, metal, metalworking, modern, new, nobody, pattern, perspective, project, roof, site, sky, steel, strength, strengthening, strong, structure, support, tall, technology, truss, urban, wall, warehouse, work,