Specialized education of uzbekistan navoi mining and metallurgical industry combine navai state mining institute

THE MINISTRY OF HIGER AND SECONDARY
SPECIALIZED EDUCATION OF UZBEKISTAN
NAVOI MINING AND METALLURGICAL INDUSTRY COMBINE
NAVAI STATE MINING INSTITUTE
________________FACULTY

INDEPENDENT
WORK

DONE BY THE STUDENT:_____________________
CHECKED BY THE TEACHER: ___________________
Navoi- 2021