Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes

Q. Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes

  1. Asphyxiation (suffocation)
  2. Shortness of breath
  3. Tuberculosis
  4. All (a), (b) and (c)

Answer: Option 4

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