Sentence:  Sammy, There are products on the market designed to <WSD>buff out</WSD> scratches in glass, not a wax but a rubbing compound much like jeweler's rouge, a fine jewelry-buffing compound. 
Meaning of the word marked with <WSD> tags:  To remove paint or light scratches from the surface by friction, wearing it out by polishing or blasting with sand or by employing some similar method.