Interchangeability, Standardization and Certification . Tolerances of size, shape, surface location and roughness”, written by a team of authors, is an important work in the field of engineering and production, which will be of interest to both professionals and students studying technical disciplines. This work is a true guide to the complex but highly relevant topics related to tolerances and standards that play a key role in today's manufacturing process. The book discusses the basic principles of interchangeability, standardization and certification, which are necessary to ensure the quality and reliability of products. The authors explain in detail how tolerances for size, shape, and surface location affect the functionality and durability of products. Readers will be able to learn how to correctly interpret and apply these tolerances in practice, which is especially important for engineers, designers and technologists working in various industries. The book will be useful not only to specialists, but also to students of technical universities who are preparing for a career in the field of mechanical engineering, automation and other related disciplines. It will help them better understand how standards and tolerances affect design and manufacturing, as well as the quality of the final product. The topics raised in the book are relevant for anyone interested in modern technologies and methods of quality management. One of the key topics addressed in the book is the effect of surface roughness on the interaction of parts. The authors explain how roughness can affect friction, wear and, ultimately, the life of products. This knowledge will be useful for engineers involved in the design of mechanisms and systems, where accuracy and durability play a crucial role. The style of presentation of the book is distinguished by clarity and accessibility .. The authors use many examples and illustrations, which makes the material more understandable and illustrative. This allows readers not only to assimilate theoretical aspects, but also to apply them in practice. The book is filled with useful tips and tricks that will help to avoid common mistakes in design and production. The book “Interchangeability, Standardization and Certification” will become an indispensable source of knowledge for all who seek to improve their skills in the field of engineering and production. It may also be of interest to those involved in quality management and product certification. In the context of globalization and increasing competition in the market, an understanding of standards and tolerances becomes not just desirable, but necessary for successful work. If you are looking for literature that will help you understand the complex aspects of interchangeability and standardization, then this book will be an excellent choice. It will not only enrich your knowledge, but also inspire new ideas and approaches in your professional activities. Interchangeability, standardization and certification . The tolerances of size, shape, surface arrangement and roughness are not just a book, but a whole world of knowledge that will open up new horizons for you in understanding engineering processes and standards. Do not miss the opportunity to deepen your knowledge and become a real expert in your field!