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More Mining Engineering Questions
Wide stall method procticed by . . . . . . . .
Ventilator used in sinking shaft commonly with a capacity of
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Three jobs A, B and C are to be assigned to three machines X, Y and Z. The processing costs are given below: Machines X Y Z Job A 19 28 31 B 11 17 31 C 12 15 13 The minimum total cost of assigning the jobs to the machines is.