Choose the most suitable answer for Gathering:
A. lt is a opencast mining method.
B. lt is a underground mining method.
C. lt is a mining method, which is used for coal winning.
D. lt is a underground mining method used for small rich ore bodies.
Answer:D
Choose the most suitable answer for Gathering:
A. lt is a opencast mining method. B. lt is a underground mining method. C. lt is a mining method, which is used for coal winning. D. lt is a underground mining method used for small rich ore bodies.