At home - maybe take it up to 1500's and then finish with a green 3M pad (not all pan cleaners are the same just because they are green !)
By machine - a bead blast (with the correct grade / by someone who knows what there doing) but I guess it would be hard to keep on top of with ally - staining / oxidisation changes etc :?
WD
By machine - a bead blast (with the correct grade / by someone who knows what there doing) but I guess it would be hard to keep on top of with ally - staining / oxidisation changes etc :?
WD