Ding/Scratch

you could also just try polishing it just to make it shiny

I just used the scotch brite pads just to remove all the nasty scratches ( I really mean nasty) in my DM and steel wool to smoothen it out

but if u got it correcty u might end up like this:
(got this picture from another forum from a polishing guide)
The one on the left is the polished one and the one on the right was not polished yet.