Click the links below for a sample of the Instructor's PowerPoints available to adopters! Chapter 6 PowerPoint Chapter 11 PowerPoint Chapter 22 PowerPoint This text introduces students to a solid background in the basic principles and practices of welding. It first introduces fundamental theory of the welding process (gas arc, semi-automatic, automatic, and robotic welding) and then provides practice jobs so students develop manipulative skills and technical understanding. Metals and their welding characteristics, safety practices, welding symbols, and the fundamentals of print reading are all covered.