Ключевые слова: action, activity, armature, bars, builder, building, casting, cement, concrete pouring, construction site, constructor, contractor, craftsman, crane, development, engineer, engineering, equipment, filling, form, foundation, house, industrial, industry, infrastructure, liquid cement, machine, machinery, manual, masonry, material, mortar, occupation, operation, people, phase, pipe, pouring, process, pump, reinforced, reinforcement, steel bars, technology, tube, vibration, work workman, worker,