Mining
“SAFETY IN LONGWALL MINING” 1970S COAL MINE SAFETY
“SAFETY IN LONGWALL MINING” 1970S COAL MINE SAFETY TRAINING FILM XD49364
#SAFETY #LONGWALL #MINING #1970S #COAL #SAFETY
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This safety training film was created by MESA, the Mining Enforcement and Safety Administration, circa 1970s on longwall mining. Longwall mining is a…
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