Hoisting improvements.

Between 2021 and 2022, the Company's hoisting underwent massive improvements. The replace of high-voltage power equipment was carried out. The control systems of the mine lifting machine have been modernized, associated with the transfer from analog, relay to modern digital control circuits. This made it possible to more accurately adjust the speed of movement of lifting vessels in the pit shaft, reduce the number of failures and increase the productivity of the rock mass loading process.