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

Chemical Engineering Mcqs

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

(A)  Asphyxiation (suffocation)

(B)  Shortness of breath

(C)  Tuberculosis

(D)  All

Submitted By :Ali Uppal

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