This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
NIOSH. ru cdc gov pdf Coal Mine Dust Exposures and Associated Health Outcomes en Cover of document cdc gov pdf Coal Mine Dust Exposures and Associated Health Outcomes of Information Published Since Michael Attfield et al NIOSH USA other versions PDUSGov Mining Workplace safety Workplace safety of Russia Occupational