Pneumoconiosis afflicts the workers who works mainly in:

1. Pneumoconiosis is a general term for a class of interstitial lung diseases caused by the inhalation of certain dusts and the lung tissue's reaction to the dust. 2. It commonly afflicts workers exposed to mineral dusts in their occupation. 3. Coal worker's pneumoconiosis (CWP or Black Lung Disease) is caused by long-term exposure to coal dust, prevalent in the coal mining industry. 4. Other industries listed: Tanneries (chemical exposure risks), Distilleries (alcohol vapor/other risks), Glass industry (silica exposure risk - silicosis, a type of pneumoconiosis, but coal mining is most direct answer for general pneumoconiosis term in MCQs).