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Question
Given the following,Mining method                              TechniqueP Thick seam extraction             1 Double unit faceQ Bord and pillar extraction      2 Jet cuttingR Longwall face development   3 Inclined slicingS Hydraulic mining                      4 Half moon methodthe correct match is
Options:
A .  P-3, Q-4, R-2, S-1
B .  P-1, Q-4, R-2, S-3
C .  P-3, Q-2, R-1, S-4
D .  P-3, Q-4, R-1, S-2
Answer: Option D


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