The subjection of the core to a hydraulic pressure of four tons to the square inch and an electric pressure of 5000 volts from an alternating-current transformer has been adopted, by one manufacturer at least, to secure the detection of masked faults which might develop themselves after submergence.
masked הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד