Ключевые слова: business, chemical, connection, control, crane, danger, device, distribution, emergency, energy, engineering, equipment, extinguishing, factory, faucet, fuel, gas, hose, industrial, industry, line, machine, metal, module, off, oil, pipe, pipeline, power, pressure, production, protection, pump, refinery, rescue, safety, section, shut, shutoff, station, steel, structure, switch, system, technology, tube, valve, water, work, yellow,