Ключевые слова: accuracy, analog, bar, bright, compression, figures, gage, gaging, gas, gasline, gauge, gauging, indication, industrial, industry, instrument, instrumentation, isolated, manometer, measure, measurement, metal, meter, metering, needle, pipe, pipeline, precision, pressure, psi, scale, screws, silver, stainless, steel, technic, technical, thread, vintage, white,