I have a piece of maple that I turned over the weekend. I used Minwax Tung Oil Finish (not pure tung) it and plan on buffing it. I have a couple of questions: can I put a couple of coats of poly over it and if I did should I do anything to the wood before hand? I was just thinking that some of the stuff you guys do looks like glass, should I buff (but skip the wax) so the wood is extra extra smooth, then poly, then buff all three steps? How long should I wait between tung oil, poly and buffing?