May 26, 2008 #21 B backwoods_lex New member My guess would be the same. If the abrasives aren't breaking down in a subsequent order, there must be many, many smaller and sharper abrasives. A good idea-and one that is long overdue.
My guess would be the same. If the abrasives aren't breaking down in a subsequent order, there must be many, many smaller and sharper abrasives. A good idea-and one that is long overdue.