2. Metal contracts & pops out dent.
3. Apply dry ice to the center of the dent (a few times).
5 min later
4. Clean surface.
5. Dent is not noticeable!
5a. Oh yea and tip - WHERE GLOVES!!!
Fixing a Dent With Dry Ice
Awesome Dry Ice Experiment Videos.
It's simple to create amazing effects using dry ice!