Black smoke 1. obscured vision and a dirty two. Collectors can enter the lungs air sacs in the lungs and are carcinogenic hydrocarbons have three. Black smoke is the leading cause of lung cancer and bronchitis.
Black smoke 1. Avoidance of visibility and the dirty 2.? Can enter the lungs accumulated in the lung alveoli and hydrocarbons cause cancer 3.? Black smoke is the substance that causes lung cancer and bronchitis you