Ключевые слова: action, aiming, bars, builder, building, casting, cement, concrete, construction, constructor, contractor, craftsman, development, directing, equipment, filling, fluid, form, foundation, house, laborer, liquid, machine, man, master, mesh, metal, mortar, operation, pipe, pouring, process, pump, site, steel, tube, vibration, vibrator, work, worker, workman, workwear,