"Harold and Susan Vordos" wrote in message
...

SNIP

You can add to the list nitric acid, which isn't forgiving of skin contact
in the least. It can remove the surface of your eye faster than you can
get it rinsed out. (Don't ask).

SNIP

Back when I was in school, I once pulled the stopper on a retort of boiling
nitric acid. I "invented" nitro-thumbnail. It didn't do any permanent
damage, but my fingers stayed yellow for a week. The teacher congratulated
me on having "discovered" the test for protein...

Jerry