Mine dusts inhaled by workers produce a variety of Pneumokoniosis diseases. Of such dusts, which of the following minerals /metals/non-metals do not result in fibrosis?
A. Asbestos, Iron oxide; Barytes
B. Silica, Asbestos; Chromite
C. Barytes, Kaolin, Chromite
D. Silica, Iron ore, Barytes
Answer:C
Mine dusts inhaled by workers produce a variety of Pneumokoniosis diseases. Of such dusts, which of the following minerals /metals/non-metals do not result in fibrosis?
A. Asbestos, Iron oxide; Barytes B. Silica, Asbestos; Chromite C. Barytes, Kaolin, Chromite D. Silica, Iron ore, Barytes