Q. Black lung disease occurs in people working in

  • (A) Paint manufacturing industry
  • (B) Electroplating industry
  • (C) Coal mines
  • (D) Organic solvents industry
✅ Correct Answer: (C) Coal mines

Published by Ram Sharma ⭐ 193.88K Points at 22-Mar-2022 08:32 pm in General Awareness

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