Best Practices For Dust Control In Coal Mining
• During 1970–2004, CWP was a direct or contributing cause of 69,377 deaths of U.S. underground coal mine workers. • During 1980–2005, over $39 billion in CWP benefits were paid to underground coal miners and their families. • Recent x-ray surveillance data for 2000–2006 show an increase in CWP cases. Nearly
Đọc thêm