Obviously, you did not read the entire post.
Purposefully putting the sulfuric acid on your hands is idiotic! Even dilute concentrations are powerful enough to hydrolyze a large amount of substances even if it take more time.
From academic and industrial experience, I've learned much about...
1. Lead is in the acid of a battery or it would not be used in batteries. Sulfuric acid will dissolve lead into lead sulfate. When lead is in it's soluble form it is the most toxic because it can readily be absorbed by the body. That makes it very poisonous. Also, it will make it more easily...