Grouting of 1 point 65 mtrs long roof bolt in the drilled holes for the roof supports in seam v seam iv m and seam iv b development section at saoner mine no 3 of area.
Grouting of 1 point 65 mtrs long roof bolt in the drilled holes for the roof supports in seam v seam iv m and seam iv b development section at saoner mine no 3 of area.
Civil Work Tenders, Roof Work Tenders