A. B. Petrovsky
Belaruskali JSC
Belarus

Petrovskiy Andrey B. – Deputy Chief Engineer for mining

5, Korzh Str., 223710, Soligorsk, Minsk region 

V. Ya. Prushak
Soligorsk Institute of Resource Saving Problems with Pilot Production
Belarus

Prushak Victor Ya. – Corresponding Member, D. Sc. (Engineering), Professor, Technical Director

69, Kozlov Str., 223710, Soligorsk, Minsk Region 

E. A. Lutovich
Institute of Mining
Belarus

Lutovich Evgeniy A. – Master (Engineering), Head of the Department

5, Korzh Str., 223710, Soligorsk, Minsk region