The book "Experience in standardizing the reliability of chemical products quality control devices" by A. In. Cheltsova is a fascinating and in-depth study that immerses the reader in the world of precision and reliability in the field of quality control of chemicals. In the context of modern production, where product quality becomes the key to success, this work represents an important contribution to the understanding and evaluation of the reliability of devices used in the chemical industry. Author, A. In. Cheltsov is a recognized expert in metrology and quality control . His experience and knowledge make this book not only theoretically sound, but also practically useful. Cheltsov shares his observations and conclusions based on many years of practice, which gives the work special value. The book discusses various aspects of reliability rationing, including assessment methods, criteria, and standards that are necessary to ensure high-quality products. Readers interested in the chemical industry, engineering, metrology and quality control will find many useful ideas and approaches in this book. It will be of interest to both students and professionals working in the development and operation of control devices. The age category of readers varies from senior students to experienced professionals seeking to deepen their knowledge and skills in the field. The topics raised in the book cover a wide range of issues related to instrument reliability. Cheltsov focuses on the importance of measurement accuracy and their impact on the final product. It explores how a lack of instrument reliability can lead to serious consequences, including economic losses and security threats. An important aspect of the work is also the discussion of modern technologies and methods that can improve the reliability of control devices. Readers will be able to learn about how the introduction of new technologies and standards can change the approach to quality control and improve the overall efficiency of production processes. The author's style is clear and accessible. Cheltsov skillfully combines theory with practical examples, which makes the material easy to perceive. He is not afraid to share his own experiences and mistakes, which adds to the book of humanity and allows the reader to better understand complex concepts. This makes the "Experience of standardizing the reliability of chemical products quality control devices" not just a training manual, but a real guide in the world of quality control. The book may also be of interest to those looking for information on current trends in the chemical industry and quality control. Cheltsov emphasizes the importance of constantly updating knowledge and skills, which is relevant in the rapidly changing world of technology. Readers who are interested in works such as “Quality Control in the Chemical Industry” or “Metrology in Chemistry” will find many similar topics and approaches in this book. In conclusion, the "Experience in standardizing the reliability of chemical quality control devices" is not just a book, but a whole world in which the reader plunges into, striving to understand and master the complex aspects of quality control in the chemical industry. It will become an indispensable assistant for everyone who wants to improve their skills and contribute to the development of reliability and quality of products.