Member of Welding Discontinuities and Defects Publisher Hobart Institute of Welding Technology Copyright Date 2010 Subject (Topical) Welding Welding--Defects Welding industry--Quality control Extent 15 min. 39 sec. Type Moving Image Form MP4 Rights All Hobart Institute of Welding Technology video and print materials are copyrighted. They may not be copied in whole or in part. Language English