In the past we would use the term sandblasted. However, sand is not used nearly as much as it was in the old days. Sand can be very harsh on the metal, especially the body which can warp if the media (the material) used generates too much heat.
Here are a few photos from the separation.
When you subscribe to the blog, we will send you an e-mail when there are new updates on the site so you wouldn't miss them.