Long wall method is:
A. Generally applicable to thin coal seams.
B. Applied to deep mining.
C. Applicable to thick coal seams.
D. Applied to very deep mining and thick coal seams.
Answer:A
Long wall method is:
A. Generally applicable to thin coal seams. B. Applied to deep mining. C. Applicable to thick coal seams. D. Applied to very deep mining and thick coal seams.