Book «No. 1172 Equipment of OMD workshops: Part. : Pre-stressed knots of OMD workshops machines: training. Polyashov V . C. and Chloponin B. N. is an important work for students, engineers and specialists in the field of mechanical engineering and equipment. This tutorial immerses the reader in the world of technology related to pre-stressed machine nodes, and reveals key aspects of the design and operation of equipment in the workshops of RBM (processing machines and parts). The book begins with the basics, explaining what pre-stressed nodes are and why they play a critical role in ensuring the reliability and durability of machines. The authors focus on how the correct design and use of such nodes can significantly increase the efficiency of equipment, reduce the likelihood of breakdowns and increase the service life of machines. The reader will be able to learn about modern methods of analysis and design, as well as about new materials that are used in production. This manual will be especially useful for students of technical universities studying in specialties related to engineering, as well as for practicing engineers and designers who seek to update their knowledge and skills in the design and operation of equipment. The book may also be of interest to graduate students and researchers engaged in research in the field of mechanics and materials science. The topics raised in the book cover a wide range of issues, from theory to practice. The authors consider not only technical aspects, but also economic ones, emphasizing the importance of choosing optimal solutions to increase productivity and reduce costs. An important aspect is also the attention to safety when working with pre-stressed nodes, which makes the book relevant for specialists dealing with occupational safety and industrial safety .. The style of Polyashov and Khloponin is distinguished by clarity and accessibility of presentation, which allows the reader to easily assimilate complex technical concepts. The authors use many illustrations and examples from practice, which makes the material more clear and understandable. This manual not only teaches, but also inspires new ideas and approaches in design. If you are looking for literature that will help you to better understand the mechanisms of equipment and teach you how to apply modern technologies in practice, then “No. 1172 Equipment of OMD workshops” will become an indispensable assistant. The book will be useful not only for students and novice professionals, but also for experienced engineers who want to update their knowledge about new trends in the field of mechanical engineering. In conclusion, it is worth noting that this tutorial is an important contribution to the educational process and practical activities in the field of mechanical engineering .. It opens up new horizons for understanding the operation of equipment and its components, which makes it worthy of attention by all who are interested in this topic. Do not miss the opportunity to enrich your knowledge and skills with this unique publication!