Ключевые слова: abandoned, architecture, armed, bars, build, building, column box, concrete, concrete pillar, construct, construction, corrosion, crisis, ductile, ductility, engineering, formwork, frame, geometric, girder, gray, industrial, industry, iron, material, metal, mixer operator, mortgage, outdoor, pattern, pillars, project, real estate, rebar, reinforce, reinforced, rod, rust, rusty, seismic, shapes, sky, square, steel concrete, strength, strong, structure, urban, welding,