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

    2. A.
    asphyxiation (suffocation).
    B.
    shortness of breath.
    C.
    tuberculosis.
    D.
    all (a), (b) and (c).

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    Workspace

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    Answer : Option D

    Explanation :

    No answer description available for this question.

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