89 Calculations of feed systems for castings of ferrous and non-ferrous metals and alloys: studies . manual" by Bauman, B. In. is an important and useful work, which will become an indispensable assistant for students, graduate students and specialists in the field of metallurgy and mechanical engineering . This tutorial not only reveals the theoretical foundations, but also offers practical recommendations for the calculation of feeding systems, which makes it relevant for those who seek to deepen their knowledge in this field. The book details key aspects of the design of feed systems for castings, including ferrous and non-ferrous metals, as well as their alloys. The author emphasizes the importance of proper calculation of these systems to ensure the quality of castings, which, in turn, affects the strength and durability of finished products. Bauman shares his knowledge and experience, explaining how various factors, such as temperature, pressure, and metal composition, affect the casting process and the end result. This manual will be especially useful for students of technical universities studying metallurgy, as well as for engineers and technologists working in the field of metal products manufacturing. The book is suitable for those who are interested in modern methods of processing metals and alloys, as well as those who want to master practical skills in calculation and design. Readers interested in topics related to new technologies in metallurgy will find in this manual a lot of useful information. The topics raised in the book cover a wide range of issues related to casting processes and their optimization. The author explores the impact of different parameters on the quality of castings, which allows readers to understand more deeply how to properly approach the design of power systems. The book also addresses issues related to the economic aspects of production, making it relevant not only for scientific research, but also for practical applications in industry. Bauman's style is distinguished by clarity and accessibility of presentation, which makes it easy to assimilate even the most complex concepts. His experience and knowledge in the field of metallurgy make this book an authoritative source of information. Bauman is also known for his other works, in which he explores various aspects of metallurgy and materials science. Readers familiar with his previous publications will appreciate the consistency and depth of analysis he offers in this tutorial. 89 Calculations of feed systems for castings of ferrous and non-ferrous metals and alloys: studies . manual" will be an excellent addition to the library of any specialist in the field of metallurgy. It will not only expand the horizons of knowledge, but also help develop the practical skills necessary for successful work in this high-tech area. If you are looking for a quality tutorial that combines theory and practice, this publication will be your faithful companion on the way to professional growth.