A) coal miners
B) farmers
C) refinery workers
D) petrochemical industry
Correct Answer: A
Solution :
Black lung is a man-made, occupational lung diseases that are contracted by prolonged breathing of coal mine dust. The disease is called black lung because it causes the lungs to look black instead of pink. Medically, it is a type of pneumoconiosis called coal workers pneumoconiosis.You need to login to perform this action.
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