Match the following for coal mining operation:
| Mining Method | Mode of Extraction | Loading/Conveying Equipment |
|---|---|---|
| P. Longwall | A. Cutting by continuous miner | 1. AFC |
| Q. Mechanized bord and pillar | B. Drilling and blasting | 2. LHD |
| R. Semi-mechanized bord and pillar | C. Cutting by shearer | 3. Apron loader and gathering arm |
| S. Blasting gallery | D. Long hole drilling and blasting | 4. SDL |
P-C-1, Q-D-3, R-A-2, S-B-4
P-C-1, Q-A-3, R-B-4, S-D-2
P-C-1, Q-A-4, R-B-3, S-D-2
P-B-3, Q-C-2, R-A-1, S-D-4
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