Ключевые слова: business, construction, emergency, energy, engineering, equipment, extinguishing, facility, factory, faucet, fire, flow, fuel, gas, handle, handwheel, heat, hydrant, industrial, lever, machine, metal, module, off, old, outdoor, pipe, pipeline, plant, power, pressure, pump, round, russia, section, service, shut, station, steel, supply, symbol, tap, technology, tube, utility, valve, water, wheel, yellow,