Coal miners and workers in the asbestos, iron, and cotton industries may breathe in dust, which can cause lung diseases.
煤矿工人和石棉、铁以及棉花业的工人可能吸进粉尘，引起肺部疾病。
Coal miners and workers in the asbestos, iron, and cotton industries may breathe in dust, which can cause lung diseases.
煤矿工人和石棉、铁以及棉花业的工人可能吸进粉尘，引起肺部疾病。
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