Book 459 Metallurgical Machines and Equipment . Calculation of the main parameters of laser technological equipment" by B. M. Zharikov is a unique teaching aid that will become an indispensable assistant for students, graduate students and specialists in the field of metallurgy and mechanical engineering .. In this edition, the author is deeply immersed in the world of laser technologies, revealing their potential and application in the metallurgical industry. In. M. Zharikov, known for his scientific works and research in the field of metallurgy, offers readers not only theoretical knowledge, but also practical recommendations for calculating the basic parameters of laser technological equipment. The book covers a wide range of topics, including the principles of lasers, their classification, as well as methods of calculating and designing equipment, which makes it relevant for students of technical universities and professionals seeking to improve their qualifications. Readers interested in modern technologies in metallurgy will find in this manual a lot of useful information. It is suitable for students studying metallurgy and mechanical engineering, as well as for engineers and technicians working in the field of development and operation of laser equipment. The book will be especially useful for those who want to understand the intricacies of designing and using lasers in production processes, as well as for those who seek to introduce innovative technologies into their work. One of the key topics addressed in the book is the impact of laser technologies on the efficiency of metallurgical processes. The author focuses on the advantages that lasers can provide, such as high accuracy, waste minimization and the ability to process various materials. Zharikov also discusses safety issues when working with laser equipment, which is an extremely important aspect for any specialist in this field. The author's style is distinguished by clarity and accessibility of presentation, which makes it easy to perceive even the most complex concepts. In. M. Zharikov uses many illustrations and examples from practice, which makes the material more clear and understandable. Readers will be able not only to familiarize themselves with the theoretical aspects, but also to see how this knowledge is applied in practice. The book "No. 459 Metallurgical Machines and Equipment" is part of a series of training manuals that cover various aspects of metallurgy and mechanical engineering. In previous works, Zharikov also considered topics related to the design and operation of metallurgical equipment, which makes him an expert in this field. Readers familiar with its previous editions will appreciate the consistency and depth of the presentation, as well as the relevance of the information. If you are looking for a high-quality textbook on laser technologies in metallurgy, which will help you not only to master the theory, but also to apply knowledge in practice, then book B. M. Zharikov will be a great choice . It will not only enrich your knowledge, but also inspire new ideas and projects in the field of metallurgy. Do not miss the opportunity to immerse yourself in the world of laser technologies and discover new horizons in your professional activities!