01569nam 2200409Ia 450 991069640780332120080403144125.0(CKB)5470000002378768(OCoLC)218485302(EXLCZ)99547000000237876820080403d1998 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierSensors warn of hazards during mine hoisting[electronic resource][Spokane, WA] :U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health,[1998]2 unnumbered pages digital, PDF fileTechnology news / NIOSH ;no. 469Title from title screen (viewed on Mar. 10, 2008)."February 1998."Mine hoistingResearchUnited StatesMining machineryResearchUnited StatesMine safetyUnited StatesMine roof controlUnited StatesEquipment and suppliesMine hoistingResearchMining machineryResearchMine safetyMine roof controlEquipment and supplies.Spokane Research Laboratory (National Institute for Occupational Safety and Health)GPOGPOBOOK9910696407803321Sensors warn of hazards during mine hoisting3163115UNINA