The book “Practices on Lubricants . Training manual" by the authors Kilov A. C. Tavtilova I . Sh. is an indispensable resource for students, engineers and anyone interested in modern lubricant technologies. In this tutorial, the authors invite readers to immerse themselves in the fascinating world of lubricants, their properties and applications, making it an ideal choice for both novice professionals and experienced professionals. Lubricants play a key role in ensuring the reliable operation of machinery. They reduce friction, protect against corrosion and prolong the life of the equipment. However, despite their importance, many aspects of the choice and application of lubricants remain understudied. The book by Kilov and Tavtilov helps to fill this gap, offering readers not only theoretical knowledge, but also practical skills that can be applied in real life. The authors have carefully worked out the structure of the manual to make it accessible and understandable. Each chapter contains up-to-date information about the different types of lubricants, their characteristics and applications. Readers will be able to learn about mineral and synthetic oils, polymer-based lubricants and other innovative products that are used in modern technologies. In addition, the manual includes practical tasks that will help to consolidate theoretical knowledge and develop skills in the analysis and selection of lubricants depending on specific operating conditions. The book will be especially useful for students of technical specialties, as well as specialists working in the field of mechanical engineering, automotive industry and other related industries. It can also be of interest to those who are engaged in repair and maintenance of equipment, as well as anyone who wants to deepen their knowledge in the field of lubrication technologies. The age category of readers is not limited, as the manual is suitable for both young and more experienced professionals seeking to update their knowledge. The topics raised in the book cover a wide range of issues, including the choice of lubricants for different working conditions, the effect of temperature and pressure on their properties, and the environmental aspects of using lubricants. The authors emphasize the importance of the correct choice of lubricants to improve the efficiency and reliability of equipment, which makes the book relevant in the light of modern requirements for performance and sustainability. The style of the authors is distinguished by clarity and accessibility, which makes it easy to digest the material . Kilov A. C. Tavtilov I . Sh. have extensive experience in the field of lubrication technologies and are recognized experts in their field. Their previous work has also earned the attention of readers, and this manual continues the tradition of high-quality and informative presentation of the material. If you are looking for a tutorial that will help you understand the intricacies of lubricants and their application, “Practices on lubricants” will become your reliable companion. This book will not only enrich your knowledge, but will also help you become a more confident specialist in your field. Do not miss the opportunity to immerse yourself in the world of lubrication technologies and discover new horizons in your professional activities!