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 16 min. 7 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