<prompt> Lung disease seen in Coal and Rock mine rs?AnthracosisByssinosisBagassosisSilicosis  <response>: -Anthracosis is occupational disease seen in coal miners. -studies indicate that there are two general phases in coal miners pneumoconiosis; simple pneumoconiosis is associated with ventilatory impairment. second phase is characterized by progressive massive fibrosis that cause severe respiratory disability and premature death. Reference : Parks textbook of preventive and social medicine, 23rd edition, pg no:806 p 