"Contact quarrel" - a book written by Kochergin K. A. , is a fascinating and in-depth study of one of the most important processes in the field of welding production. This work not only introduces the reader to the basics of contact welding, but also immerses in the world of technologies that form modern production. The book will be a real find for students, specialists and anyone interested in welding technologies and their application in various industries. In "Contact Welding" Kochergin K. A. reveals not only the theoretical aspects of the process, but also practical recommendations that can be useful for both beginners and experienced welders The author shares his experience and knowledge, talking about how to choose the right equipment, which materials are best suited for welding, as well as the nuances that can affect the quality of connections. Readers will be able to learn about the various methods of contact welding, their advantages and disadvantages, as well as about current trends in this area. The book will be interesting to a wide range of readers .. Students of technical specialties studying for welders, engineers and technologists will find useful information for their studies and further professional activities in it. Specialists working in production companies will be able to use the acquired knowledge to improve the quality of their work and optimize production processes. Even amateurs who just want to understand welding technologies will find a lot of interesting and useful in the book. The topics raised in Contact Welding go beyond purely technical aspects. The author touches on the issues of safety at work, environmental aspects of welding, as well as the impact of new technologies on traditional methods. These topics make the book relevant and important in the context of modern production, where safety and efficiency become priorities. Style Kochergina K. A. Availability and clarity of presentation. He is able to explain complex things in simple language, which makes his books easy to understand. This quality is especially valuable for those who are just beginning their journey in the world of welding. In addition, the author actively shares examples from his practice, which allows readers to better absorb the material and see its application in real conditions. If you are interested in such works as “Welding: theory and practice” or “Basics of welding production”, then “Contact welding” will be an excellent addition to the library for you. This book will not only expand your knowledge of welding technologies, but also inspire new achievements in the profession. In conclusion, “Contact Welding” by Kochergin K. A. is not just a textbook, but a real encyclopedia of welding, which will help you become a true master of your craft. Do not miss the opportunity to immerse yourself in the world of welding technologies and discover new horizons in the profession. Read, study and apply the knowledge gained in practice - and you will be surprised how much new and interesting you can learn about welding!