The book "Repair of construction machines by welding and surfacing", written by a team of authors, is an indispensable guide for specialists in the field of repair and maintenance of construction equipment . This work covers a wide range of topics related to welding and surfacing technologies, which play a key role in extending the life of machines and improving their efficiency. In today's world, where construction machines are becoming more complex and high-tech, the ability to properly repair and maintain them is becoming an important skill for engineers, mechanics and maintenance professionals. The book offers readers not only theoretical knowledge, but also practical recommendations that will help in solving a variety of problems related to the repair of equipment. One of the main topics raised in the book is the use of welding and surfacing as methods of restoring worn parts. The authors examine in detail the different types of welding technologies, their advantages and disadvantages, as well as the conditions under which each of them is most effective. The reader will be able to learn about modern materials used in welding, and how to choose them correctly depending on the type of repair. This book will be especially useful for students of technical universities, as well as for practitioners working in the field of repair and maintenance of construction equipment. It is suitable for both beginners and experienced professionals seeking to expand their knowledge and skills. If you are interested in the topic of repair of construction machines, and also want to deepen your knowledge in the field of welding technologies, then this book will become a real storehouse of information for you. The style of the authors is distinguished by the clarity and accessibility of the presentation, which makes it easy to absorb even the most complex technical aspects. The book is filled with illustrations and diagrams that help to better understand the processes and methods described. This makes it not only useful, but also visually attractive publication, which can be used both in educational institutions and in professional practice. In addition, the book deals with safety during welding, which is an extremely important aspect for any specialist. The authors emphasize the need to comply with all norms and rules in order to minimize risks and ensure the safety of both employees and others. "Repair of construction machines by welding and surfacing" is not just a textbook, but a real encyclopedia for those who want to master the art of repairing construction equipment. The book will be an excellent addition to the library of both students and practitioners, as well as anyone interested in modern technologies in the field of mechanical engineering. If you are looking for literature on welding technology, repairing construction machines or just want to expand your professional horizons, this book will be an excellent choice for you. It will help you not only learn new skills, but also increase your competitiveness in the labor market. Do not miss the opportunity to take a step towards professional growth and deepening your knowledge in this important area!