Also, remove your watch. Especially if it has a metal band. Short that puppy out on a hot wire, even if it is only 12 volts and it will heat up FAST. 3rd degree burns hurt like the dickens.
To clean your hands, you can't beat "Fast Orange" hand cleaner. Most of what is available is the pumice formula but I prefer the smooth as the grit doesn't plug up the drain pipes in your house. It's easier on the skin if you don't have decades of calluses like I do.