01442nam 2200349Ka 450 991069659680332120080407120605.0(CKB)5470000002378879(OCoLC)220902511(EXLCZ)99547000000237887920080407d2007 ua 0engtxtrdacontentcrdamediacrrdacarrierRecirculation filter is key to improving dust control in enclosed cabs[electronic resource][Pittsburgh, PA] :U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health,[2007]2 unnumbered pages digital, PDF fileTechnology news ;no. 528DHHS (NIOSH) publication ;no. 2008-100Title from title screen (viewed on Mar. 20, 2008)."Milestones in Mining Safety and Health Technology.""October 2007."Strip miningDust controlUnited StatesEquipment and suppliesStrip miningDust controlEquipment and supplies.Pittsburgh Research Laboratory (National Institute for Occupational Safety and Health)GPOGPOBOOK9910696596803321Recirculation filter is key to improving dust control in enclosed cabs3189176UNINA