Ultrasonic testing uses the same principle as is used in naval SONAR and fish finders
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Leak Testing, as the name implies, is used to detect through leaks using one of the four major LT techniques
Industrial radiography involves exposing a test object to penetrating radiation so that the radiation passes through the object being inspected and a recording medium placed against the opposite side of that object
One of the great challenges of today's industry is the corrosion of metals and how to deal with them.