#abrader  a tool or machine used for wearing down or smoothing or polishing
  supertype:  tool  an implement used in the practice of a vocation
  subtype:  abrading_stone  a primitive stone artifact (usually made of sandstone) used as an abrader
  subtype:  steel-wool_pad  abrader consisting of a pad of steel wool used for polishing or smoothing

No statement uses or specializes abrader; click here to add one.