F. E. Umirov
Navoi State University of Mining and Technology
Uzbekistan

Umirov Farhod E. – Dr. Sc. (Engineering), Professor, Professor of the Department

127, Galaba Shokh Str., 210100, Navoi

O. B. Dormeshkin
Belarusian State Technological University
Belarus

Dormeshkin Oleg B. − Dr. Sc. (Engineering), Professor, Professor of the Department

13a, Sverdlov Str., 220006, Minsk

G. R. Nomozova
Navoi State University of Mining and Technology
Uzbekistan

Nomozova Gulmira R. – Ph. D. (Engineering), Asso- ciate Professor of the Department

127, Galaba Shokh Str., 210100, Navoi

S. Sh. Sharipov
Navoi State University of Mining and Technology
Uzbekistan

Sharipov Sanat Sh. – Ph. D. (Engineering), Associate Pro- fessor of the Department

127, Galaba Shokh Str., 210100, Navoi

S. K. Kenjaeva
Navoi State University of Mining and Technology
Uzbekistan

Kenjaeva Sitora K. – Master

127, Galaba Shokh Str., 210100, Navoi