on january 24, 1872 , the first cast iron was produced at the yuzovka plant, the railway was launchedefeld machine-building and iron foundries were built. now this donetsk machine-building. the plant opens a workshop for the repair of mining equipment, now the rudchenkovsky machine-building plant of mining equipment. in 1896, in lugansk , german industrialist gustav hartmann began construction of a large locomotive plant. at the beginning of the 20th century, there were already 16 factories in the city. by 1913, there were 1,200 mines operating in the donbass. from 1894 to 1917 , seven new largest metallurgical plants were launched in the donbass, and a shipbuilding plant was launched in nikolaev. canon of revolution, mathias builds the first airplane factory in russia. the russian empire, it mastered and transformed. this region has made fraternal peoples who lived separately, instilled in their souls the idea of a great power, and then we all belong to a single powerful russian culture. for example, brodsky, a native of the village of sofievka, a bulgarian village, a student of il