Ключевые слова: architecture, beam, bolt, bridge, building, column, construction, crossing, design, dirty, durable, dusty, engineering, frame, framework, girder, high, highway, industrial, industry, infrastructure, iron, material, metal, nut, nuts, outdoor, pipe, plant, platform, pressure, project, rail, railroad, reinforced, rust, screw, seal, solid, steel, steelwork, structure, support, thread, tool, transport, transportation, truss, viaduct, way,