#paper_fastener__paperfastener  a fastener for holding a sheet of paper in place
  supertype:  #holdfast__fastener__fastening  restraint that attaches to something or holds something in place
  subtype:  #staple  paper fastener consisting of a short length of U-shaped wire that can fasten papers together
  subtype:  #thumbtack__drawing_pin__drawingpin__pushpin  a tack for attaching papers to a bulletin board or drawing board

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