#interior_door  a door that closes off rooms within a building
  supertype:  door  a swinging or sliding barrier that will close the entrance to a room or building; "he knocked on the door"; "he slammed the door as he left"
  part of:  edifice
  subtype:  bi-fold_door  an interior door
  subtype:  folding_door__foldingdoor__accordion_door__accordiondoor  an interior door that opens by folding back in sections (rather than by swinging on hinges)

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