Roof Monitoring Helps Prevent Injuries in Stone Mines

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Date: 2012-08-29 17:32:03 Engineering Technology Coal mining Roof Mining Mine Safety and Health Administration Deflection Span Extensometer Structural engineering Civil engineering Structural system		Roof Monitoring Helps Prevent Injuries in Stone Mines Add to Reading List Source URL: www.cdc.gov Download Document from Source Website File Size: 941,60 KB Share Document on Facebook

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