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The thing that is so hard to accept about UT, is when you find something, you don't have a real good picture to go by, only your interpetation of the signal that came back. But, when you use your training and mark it up for the welder to dig out and he finds it exactly where you said it was, it is rewarding. I can tell you, the first time you mark something up for removal, you'll be very nervous and anxious waiting for the welder to dig down to it, I know I was. With RT you have a better idea where the indication is in the part because of a physical picture. Once you go through your 40 hrs of training and get to put that training to use, UT will make a lot more sense than it previously did.
John Wright