Workers in the tea industry are exposed to tea dust, which has allergenic and irrigative effects on airways.

Many industrial processes produce airborne contaminants and their most common route of

Sulfur is a chemical element that is non-metallic. It has a pale yellow color and has no odor. Sulfur in gaseous form combines with oxygen to form sulfur oxide. Sulfur is used to make fertilizer and various types of disinfectant. It is also used in medical laboratories to test skin disease.