tHANKS FOR THE INPUT NEED MIKE EDISONS PHONE # OR E MAIL
Best Michael
anodise windows I have know
project American Emabssy  Athens Greece
marble repair amd cleaning
Architect Groupius (1947)

add on work included over 3000 anodised windows damaged by nefos (
sulphur/sea/air) tools small die grinders with buffing wheels using something
like naval jelley;
result...no decision metal too badly pitted I suggest repainting good luck