#shaft.passageway  a vertical passageway through a building (as for an elevator)
  supertype:  #passageway  a passage between rooms or between buildings
  part of:  #edifice
  subtype:  #elevator_shaft  a vertical shaft in a building to permit the passage of an elevator from floor to floor
  subtype:  #ventilation_shaft__ventilationshaft  a shaft in a building; serves as an air passage for ventilation
  subtype:  #well.shaft  an open shaft through the floors of a building (as for a stairway)
     subtype:  #stairwell  a vertical well around which there is a stairway

No statement uses or specializes #shaft.passageway; click here to add one.