The dictionary includes about 15,000 technical terms and their definitions presented in various official documents - in state and industry standards, construction and sanitary rules, regulations and regulations of industry departments, federal and regional laws. Each term has an interpretation that is a quotation from an official document, the name of which is given at the end of the dictionary article. Articles are arranged alphabetically within thematic sections (there are more than 30), into which the dictionary is divided. For the convenience of readers and ease of search, the dictionary is provided with an alphabetical index, as well as a list of documents to which the author refers. It is intended for directors and managers of enterprises and organizations, communication workers, transport, health and other fields of activity, students studying in various technical specialties, as well as for all those who are engaged in the design and preparation of technical documentation.