The manual contains the necessary information on the technology of metalworking work, including all the main operations in the manufacture of metal products, installation, dismantling and repair of equipment. Recommendations are given on the use of materials, main and auxiliary tools, equipment, technical measuring instruments, on the organization of work and workplace equipment. Issues of labor protection and industrial sanitation are considered. The manual also includes brief general information on metal science and metalworking, welding, tolerances and fits, measurement techniques. The manual is intended for professional training and advanced training of mechanics, students of vocational schools and educational institutions, as well as for craftsmen and engineering and technical personnel.