2. Pulmonary function from black lung disease. (Anthracosis) caused by a buildup of carbon in the lungs plenty of silicone Sea (Silicosisi) caused by the inhalation of asbestos dust, silicon dioxide, Lahore (Sillicon dioxide) into.
2. Pulmonary function from black lung disease. (Anthracosis) caused by a buildup of carbon in the lungs plenty of silicone Sea (Silicosisi) caused by the inhalation of asbestos dust, silicon dioxide, Lahore (Sillicon dioxide) into.