Ключевые слова: boiler, chemical, chemistry, connection, control, device, energy, engineer, engineering, equipment, factory, flow, gas, gauge, industrial, industry, instrument, machine, manometer, manufacture, manufacturing, measure, measurement, mechanical, metal, modern, oil, pharmaceutical, pharmacy, pipe, pipeline, plant, pollution, power, pressure, pressure gauge, process, production, pump, refinery, steel, system, tank, technology, temperature, tool, tube, water,