pneumoconiosis
- n chronic respiratory disease caused by inhaling metallic or mineral particles
- A form of pneumoconiosis estimated to affect three-fourths of the nation's 135,000 coal workers, black lung has become an increasingly serious problem because modern power .
- It is estimated that at the very least, 10% of all active miners and 20% of those retired have contracted "black lung" (pneumoconiosis), a respiratory disease caused by years of .
- Though miners are the nation's greatest sufferers from occupational ailments notably "black lung" or pneumoconiosis they get medical benefits only so long as they remain .