What harm does sour gas have to human body? Thank you, and God bless you.

The pickling workshop is often filled with acid gas and chemical reaction product-hydrogen, which is harmful to human body, for example, 1). Long-term exposure to sulfuric acid vapor can cause tooth corrosion. 2) After the skin is damaged by sulfuric acid, it may cause local redness, pain, blisters and massive congestion around the burn; In severe cases, it can cause complete necrosis of skin and subcutaneous tissue; Burn black. 3) Acute conjunctivitis will occur when conjunctiva is stimulated by sulfuric acid vapor for a long time, and its symptoms include redness, tears, pain and shame. 4) Dry nose will appear when the nasal mucosa is stimulated by sulfuric acid vapor, and its symptoms are runny nose and sneezing. 5) Stimulating the throat with sulfuric acid vapor will produce symptoms such as dry throat, swallowing pain and cough.