<unk>  is caused by inhalation of one of the forms of crystalline silica, most commonly quartz.<unk>  is seen among sandblasters, underground miners, foundry and quarry workers, and in other dust-exposed trades.
Silicosis
Asbestosis
Occupational asthma
Pneumoconiosis
Occupational lung disease
Pasteurellosis
Sarcoidosis
Tuberculosis