Engineering Technology . Calculation of assumptions and inter-transition dimensions" edited by B. E. Avramenko and the author’s team is an important work in the field of mechanical engineering, which will be of interest to both students of technical specialties and practicing engineers. This work not only covers theoretical aspects, but also offers practical solutions, which makes it an indispensable tool for anyone who wants to deepen their knowledge in the field of mechanical engineering technology. The book focuses on key topics such as calculation of assumptions and inter-transition dimensions, which play an important role in the process of designing and manufacturing machine parts. The authors consider in detail the methods that allow optimizing the dimensions of parts, which directly affects the quality and durability of finished products. The book presents modern approaches to calculation, as well as examples from practice, which allows the reader to better understand how to apply theoretical knowledge in real conditions. Who can like this book? First of all, it will be useful for students of technical universities studying in the areas of "Mechanical Engineering", "Engineering Mechanics" and related disciplines . She will also be an excellent assistant for young professionals who are just starting their careers in mechanical engineering. Engineers working in the production sector will find relevant solutions to improve the efficiency of their processes. The book will be interesting to those who are fond of design and construction, wanting to expand their knowledge of modern technologies and methods. The topics raised in the book are of great importance for modern mechanical engineering. In the context of a constant desire to improve quality and reduce costs, the correct calculation of assumptions and inter-transition dimensions becomes a key factor for success. The authors emphasize the importance of accuracy in design, which avoids costly errors during the production phase. The book also touches on the issues of standardization and unification, which is relevant for the globalized market. The style of the authors is characterized by accessibility and clarity of presentation, which makes complex technical aspects understandable even for novice readers. In. E. Avramenko, as one of the leading specialists in the field of mechanical engineering, has already established himself thanks to his previous works, such as “Fundamentals of mechanical engineering technology” and “Design of technological processes”. His experience and knowledge, combined with contributions from other experts, make this publication particularly valuable. Engineering Technology . Calculation of assumptions and inter-transitional dimensions” is not just a training manual, but a real find for all who seek professional growth in the field of mechanical engineering. It combines theory and practice, which allows readers not only to study the material, but also to apply it in their professional activities. If you are looking for a reliable source of information on engineering technology that will help you understand the intricacies of calculations and design, this book will be your faithful assistant. Do not miss the opportunity to immerse yourself in the world of engineering with this fascinating and useful book that will open up new horizons of knowledge and skills.