Not sure about the first question...in regards to 2nd question, if you use it properly, very little product will come off the pad. You put just enough on do the the 2ft. by 2ft. section your working on, then apply the pad to the finish before turning it off, and turn it off while the pad is still applied after your finished.Magna said:
Here's some videos to help you use a random orbital.:
http://autopia-carport.com/ProductTests/PC7424.htm