The city of Kryvyi Rih. Luhansk, Rostov regions. Types of mine structures in scaffolding. Extraction of ore in the Krivoy Rog ore basin. Ore moves along a conveyor belt; transportation of ore in trolleys. Disadvantages in the construction and reconstruction of the objects of the Krivoy Rog ore basin: failure to fulfill design tasks, inadequacy of projects to modern construction requirements, failure to use imported equipment, mismanagement, irresponsibility in technical management, failure to meet the deadlines for construction of the Bolshevik, Comintern mines and other facilities. Mountains of ore to be processed.