Description: Proposal for Repairing of 10 Nos. Ventilation Stopping along roof heightening gallery between 2D and 3D and roof heightening of gallery in travelling roadway from 72L/2D To 73L/2D ,82L/2D To 85L/2D ,91L/2D To 101L/2D, 102/2D To 115L/2D of masan combi
Sector: Mining