Ключевые слова: abstract, activity, architecture, armature, armor, background, bar, blue, building, cage, cement, concrete, construct, cutter, engineering, equipment, fabricate, fitting, fixing, flexibility, floor, formwork, foundation, illustration, industrial, iron, isolated, leveling, line, material, metal, new, pattern, pile, rebar, reinforced, rod, rust, site, steel, strength, strong, structure, sunset, technology, texture, urban, white, wire, work,