"Technical assistance" is a book that reveals the main aspects of providing assistance in the field of engineering and technology. The author describes in detail the process of identifying and eliminating malfunctions in technical systems, provides advice on preventive maintenance and effective use of equipment. The book contains important safety recommendations when solving technical problems, and also covers the basic principles of working with tools and devices. "Technical assistance" will become an indispensable source of knowledge for everyone interested in the repair and maintenance of equipment of any complexity.