question: what is used to smooth wooden objects?
choices.text: lamphreys coarse grit scratching it surface oak trees mass h2o sound vibrations
choices.label: A B C D E F G H
fact2: Coarse grit sandpaper works well.
combinedfact: coarse grit is used to smooth wooden objects
formatted_question: what is used to smooth wooden objects? (A) lamphreys (B) coarse grit (C) scratching it (D) surface (E) oak trees (F) mass (G) h2o (H) sound vibrations