Audel Welding Pocket Reference - Audel Technical Trades Series Author:James E. Brumbaugh, Rex Miller Featuring updated charts dealing with the most common situations welding workers face on the job , this comprehensive, pocket-sized reference is based on recommendations from working professionals and covers welding symbols and definitions, types of joints and welds, typical welding station configurations, oxygen cylinders, arc-welding charts, U... more ».S metric measures, and more.« less