Ключевые слова: action, aiming, builder, casting, cement, compacting, concrete, concreting, construction, constructor, contractor, equipment, filling, fluid, formwork, foundation, fresh, industrial, industry, liquid, machine, machinery, master, mesh, metal, mixer, operation, people, pipe, pour, reinforcement, residential, shovel, site, steel, support, tool, tube, vibration, water, worker, workman, workshop,