The book "Methodical instructions on the section "Calculation of assumptions for machining" on the course "Fundamentals of engineering technology" by A. and . Medvedeva is an indispensable resource for students, graduate students and specialists in the field of mechanical engineering and machining . In this edition, the author offers readers detailed and structured information about the calculations of assumptions, which is an important aspect in the process of designing and manufacturing parts. The main purpose of the book is to help readers understand the principles of machining and teach them to correctly calculate the assumptions that are necessary to achieve the accuracy and quality of finished products. Medvedev, having a wealth of experience in the field of mechanical engineering, shares his knowledge that will help not only in his studies, but also in his practical activities. The book covers key aspects, such as the choice of processing methods, the impact of various factors on surface quality and accuracy of parts, as well as modern approaches to calculations. This work will be especially useful for students of technical universities who study engineering technologies, as well as engineers and specialists working in the industrial sphere. If you are interested in topics related to machining, parts design and optimization of production processes, then this book will be a real guide for you. It will also be interesting for those who want to deepen their knowledge in the field of engineering technology and improve their skills. The topics raised in the book are relevant and important for modern production. With the rapid development of technology and increasing requirements for product quality, the correct calculation of assumptions becomes not just desirable, but a necessary condition for successful operation. Medvedev focuses on how to take into account various factors, such as the type of material, processing conditions and requirements for the final product. This allows the reader not only to master the theory, but also to apply the knowledge gained in practice. The author's style is distinguished by clarity and accessibility of presentation, which makes complex technical concepts understandable even for beginners. Medvedev skillfully combines theoretical aspects with practical examples, which allows readers to better absorb the material and apply it in real conditions. His other well-known works are also devoted to the issues of engineering technology and machining, which confirms his expertise in this field. If you are looking for books on mechanical engineering technology, calculation of assumptions or machining, this work will be a great addition to your library. It will not only enrich your knowledge, but also help you become a more confident specialist in your field. Reading this book is a step towards professional growth and development, which will definitely bear fruit in the future. Thus, "Methodological instructions for the section "Calculation of assumptions for machining" in the course "Fundamentals of engineering technology" is not just a textbook, but a real find for anyone who wants to deepen their knowledge in the field of mechanical engineering and machining. Do not miss the opportunity to get acquainted with this important work and take a step towards your professional development!