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Date: 2014-07-25 13:25:49 | Glossary of Mining Terminology After Damp - Gasses resulting from underground combustion, normally carbon monoxide. This is a loose term implying any fatal gas in a mine after an explosion or fire. Air Shaft - A verticalAdd to Reading ListSource URL: www.minersmuseum.comDownload Document from Source WebsiteFile Size: 93,67 KBShare Document on Facebook |