![Drilling / Machining / Woodworking / Core drill / Drill / Oil well / Technology / Petroleum / Water wells Drilling / Machining / Woodworking / Core drill / Drill / Oil well / Technology / Petroleum / Water wells](https://www.pdfsearch.io/img/c144c339ec7c577e894251b9256eb6d6.jpg) Date: 2011-04-06 19:18:06Drilling Machining Woodworking Core drill Drill Oil well Technology Petroleum Water wells | | Core Drilling theCastle To save one of Canada’s oldest and most beloved buildings, CSDA member carefully dry drilled 4,350 feet
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