The book "Public Technical Directory" by A. N. Skorokhodova is a real find for everyone who is interested in technical sciences and seeks to deepen their knowledge in this area. This guide is an extensive and systematic source of information that will be useful to both students and practitioners. It covers a wide range of topics including physics, chemistry, mechanical and electrical systems, as well as basic design and technology. The manual is written in an accessible language, which makes it understandable even for those who are just starting their way in technical disciplines. Each topic is presented with clear examples and illustrations, which allows the reader not only to learn the theoretical foundations, but also to see their practical application. This makes the book an ideal assistant for students of technical universities, engineers, as well as everyone who works in the field of science and technology. One of the key topics discussed in the book is the interaction of various technical systems. Speedsters explain in detail how different elements interact with each other, which allows the reader to better understand complex mechanisms and processes. This topic is especially relevant in today's world, where technology is rapidly developing, and understanding the basics of system interaction is becoming necessary for a successful career in engineering. The book also raises important issues of ecology and sustainable development. Skorokhodov focuses on how modern technologies can be used to solve environmental problems and create a more sustainable future. This makes the General Technical Handbook not only a teaching tool, but also a source of inspiration for those who want to contribute to the protection of the environment. For whom is this guide intended? First of all, it will be of interest to students of technical specialties, teachers and graduate students, as well as engineers and specialists working in various industries . If you are passionate about science, strive for new knowledge and want to be aware of the latest advances in technology, then this book will become your reliable companion. The style of Skorokhodov is clear and logical, which makes it easy to assimilate even the most complex concepts. His experience in teaching and research makes the material not only informative, but also fascinating. The author is also known for his other works in the field of technical literature, which have gained recognition among readers and professionals. His experience-based approach to presenting material makes each page of the handbook a veritable storehouse of knowledge. If you are looking for a high-quality and complete guide to technical disciplines, the General Technical Directory will become your indispensable assistant. This book is not just information collected - it is a carefully thought out and structured resource that will help you understand complex issues and find answers to many of them. Do not miss the opportunity to expand your horizons and deepen your knowledge with this unique guide Thus, the "General Technical Directory" A. N. Skorokhodova is not just a book, but a whole encyclopedia that will open up the world of technical knowledge for you and help you become a real professional in your field.