This seven-volume student text is designed for use by Air Force personnel enrolled in a self-study extension course for metal fabricating specialists. Covered in the individual volumes are general subjects (career progression, management of activities and resources, shop mathematics, and characteristics of metals); sheet metal tools and equipment (cutting tools and equipment; drilling, punching, and fastening; folding, forming, and seaming equipment and spot welding, lead soldering, and sealing); installed equipment and doors (fixed utility equipment, awnings and canopies, metal roof parts, and doors and gates); layout and duct systems (drawings and layout, seams and joint connections, characteristics and control of airflow, duct systems, and stacks and ventilators); oxyacetylene welding (equipment, welding and brazing castings, oxyacetylene cutting, forging, and carbon steel and heat- and corrosion-resistant ferrous alloys); electric welding and metallic arc equipment (preparation; metallic arc welding and applications; and gas-shielded, tungsten-inert-gas, and pipe welding); and general contingency responsibilities (first aid, field hygiene and sanitation, work party security, and convoy techniques). Each volume in the set contains a series of lessons, exercises at the end of each lesson, a bibliography, and answers to the exercises. Volume review exercises and a change supplement for the package are also included. (MN)