Drilling of 1.5 mtr. to 1.8 mtr. long vertical hole and full column grouting of roof bolts with cement capsules for development panels in seam iv at naheriya underground mine of pench area
Drilling of 1.5 mtr. to 1.8 mtr. long vertical hole and full column grouting of roof bolts with cement capsules for development panels in seam iv at naheriya underground mine of pench area
Bolts And Nuts Tenders, Cement Product Tenders, Civil Work Tenders, Drilling Work Tenders