Ключевые слова: armature, bar, brown, builder, built, close up, concrete slab, construct, construction, cooperation, engineering, equipment, frame, framework, grey, grid, helmet, house, industrial, industry, infrastructure, iron, man, material, mesh, metal, metallic, mill, mixer, pattern, pile, pliers, pouring, reinforced, reinforcement, reinforcing, rods, site, square, stack, stacked, steel, strength, strong, structural, structure, technology, weathered, wire, work, worker,