Not too deep and not too abridged, this edition earns the rank of handbook with its no nonsense style, clarity of detail, and logical progression of information with chapters on operations, inspection, safety, QA, ferrous welding metallurgy, preheating/postweld heat treating, discontinuities, qualification of WPSs, qualification of welders, destructive testing, proof tests, nondestructive examination methods, metrics, standards, and symbols. Use this invaluable training reference to help inspectors, engineers, and welders evaluate the difference between discontinuities and rejectable defects.