Drilling operations at the San Jose mine in Copiapo, Chile, have broken through to the miners trapped 2,070 feet underground. October 9 (The San Jose mine in Copiapo, Chile) -- The Center Rock drill ...
Titex Precision Cutting Tools (www.titex.com) says its XD deep-drilling technology drills holes up to 30 times diameter and at speeds to six-times faster than other technologies. A coolant-fed XD ...
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