Lung cancer is an industrial hazard in/for-: (A) Chimney sweepers, (B) Aniline industry, (C) Gas industry, (D) Benzol indusntry
Answer is C. Lung cancer is a hazard in gas industry, asbestos industry, nickel and chromium work, arsenic roasting plants. (REF. PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION, PAGE NO - 749)