Ключевые слова: alarm, background, building, connection, construction, control, danger, energy, engineer, engineering, equipment, factory, fire, fluid, gas, gauge, globe, gray, header, industrial, industry, instrument, iron, line, liquid, machine, manufacturing, metal, part, pipe, pipeline, piping, plant, power, pressure, protection, pump, refinery, safety, steam, steel, system, tank, technology, tube, valve, wall, water, zone,