The two vertical rotary drill holes H-5 and H-1 are both 17 meters deep and average 44.51% CaO (79.49% CaCO 3) with 0.32% MgO and 41.73% CaO (74.52% CaCO 3) with 1.36 MgO over that thickness, ...
There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and annular cutters. 1. Twist drill bits. Especially in steel thicker than ¼", ...
Asiamet Resources Limited (AIM: ARS) is pleased to update on its limestone resource drilling programme at the Rinjen prospect, approximately 12km north of Asiamet's flagship BKM Copper heap leach ...
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