Объяснение:
the largest city in the east of Kazakhstan, the administrative center of the East Kazakhstan region (since 1939). ... Until 1932, the city was part of the Tomsk Province, Omsk Region, Altai Province, Semipalatinsk Province, Altai Mountain District and Semipalatinsk District.
The number of enterprises in Ust-Kamenogorsk is very large relative to the number of people living there. It is known that Ust-Kamenogorsk is the leader in Kazakhstan in terms of the number of people with respiratory problems and diseases of the immune system. Statistics show that the most common diseases are diseases of the respiratory system and the genitourinary system. In recent years, the number of people suffering from cancer is also increasing
