Damp-grind-polish-dustless May 2, 2016 500 × 281 UPDATED: Less INvasive Concrete Repair | Reducing Silica Dust Wet and damp grinding and polishing reduces dust generation. Like this:Like Loading... Share this: Click to print (Opens in new window) Print Click to email a link to a friend (Opens in new window) Email MoreTweetLike this:Like Loading...