Welding Skills provides comprehensive coverage of welding safety, the major welding and cutting processes with skill-building exercises, essential metallurgy, welding symbols, weld evaluation and testing, and much more. All content is clearly presented in a heavily illustrated format for easy comprehension. American Welding Society (AWS) terms and definitions are used throughout the textbook.The fourth edition features an expanded chapter on welding safety, a new chapter, Dissimilar Metal Welding, and the integration of AWS SENSE recommended content where appropriate throughout the textbook. Each welding process module has been updated to include the latest equipment, simplified explanations of operating theory, and helpful charts to assist with electrode and shielding gas selection.The new edition also features expanded coverage of the latest welding equipment, procedures, and materials and Gas Metal Arc Welding, Gas Tungsten Arc Welding, and Flux Cored Arc Welding. - from Amzon