Machine Industry (English: Machine Industry): The industrial sector that uses metal cutting machine tools for industrial production activities. Narrow mechanical industry: refers to the machine manufacturing industry. The latter is usually used more often. The machinery industry is known as the "heart of the industry." It is the means of production of other economic sectors and can be said to be the basis for the development of all economic sectors. Its level of development is an important indicator of the degree of industrialization in a country. In order to promote the modernization of ethnic areas, it is necessary to accelerate the development of the machinery industry.