construction, installation and special works, reconstruction, technical re-equipment of mines and mining enterprises;

sinking and reinforcement of vertical shafts, nearshaft, horizontal, slope workings, chambers, tunnels, and other underground structures for various purposes for the mining industry, mountain and underground transport routes and communications, including railway and automobile tunnels, launch shafts, underground storage facilities;

natural resources development; construction, reconstruction, overhaul, and design of industrial and social facilities; adjustment and installation of mining equipment;