The authoritative reference for visual inspection. Emphasis on practicality, with information for Level II and Level III inspectors. Applications including metals, welding, chemical, petroleum, electric power, aerospace. Scores of illustrations of anomalies. Diverse information in one place. Updated standards. Digital photography and video. Image processing. New and authoritative discussion on vision acuity. Metric units throughout. Updated references provided for published standards. ISBN-13: 978-1-57117-186-3 (print) ISBN-13: 978-1-57117-207-5 (CD) ISBN-13: 978-1-57117-266-2 (ebook)