This text provides total instruction in welding, other joining processes, and cutting that takes students from elementary procedures to technician skills. Based on the recommendations of the American Welding Society and other authorities, this text is accurate and thorough. Both the principles (why) and practice (how to) are presented for gas, arc, and semi-automatic welding, brazing, soldering, and plastic welding processes. The text offers comprehensive treatment of equipment, electrodes, types of joints and welds, testing and inspection, metals and their welding characteristics, safety, and print reading. Photographs and drawings show the latest techniques and equipment. Course outlines are provided for each major process with emphasis on learning by doing.