The manual contains 123 pages, 52 figures and 24 tables. The manual describes the basic methods and techniques of locksmith operations. Equipment, tools and devices used in metalwork are given. This textbook is intended for training 1st year students in the specialties 050501, 110301, 110302, 110303, 110304, 140106, 140211, 190206, 190601, 190603, 190701, bachelors studying in the direction of "Agroengineering" when they undergo educational technological practice in training workshops.