Ключевые слова: air, background, bar, blurred, bottle, clock, cold, control, cryogenic, dial, empty, energy, engineering, equipment, gas, gauge, indicator, industrial, industry, instrument, isolated, machine, manometer, measure, measurement, metal, meter, nobody, object, old, pipe, pipeline, pointer, power, pressure, pump, round, scale, steel, technology, temperature, tool, valve, white,