www.zimyellow.com - Zimbabwe Yellow Pages
Posted 11/11/2020 in Category 1 by Tandamanzi Drilling

Blast-Hole Drilling

Blast Hole drilling uses track driven rigs to drill blast holes, a hole in which an explosive charge is to be placed, into the rock face or into benches in quarries and opencast mines. The drilling diameters of the holes are between 89mm and 165mm.


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