Ключевые слова: action, activity, armature, bars, beams, builder, building, casting, cement, concrete pouring, construction site, constructor, contractor, craftsman, crane, development, engineer, engineering, equipment, filling, form, 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, wooden frame, work workman, worker,