Ключевые слова: bill, box, burn, business, connection, consumption, control, crisis, danger, dangerous, device, distribution, empty, energy, equipment, estate, flammable, fuel, gas, home, household, industrial, industry, infrastructure, measure, metal, meter, outside, panel, pipe, pipeline, point, power, pressure, production, propane, residential, risk, safety, service, steel, structure, supply, system, technology, tube, urban, utility, warning, yellow,