#face_mask  mask that provides a protective covering for the face in such sports as baseball or football or hockey
  supertype:  mask.protective_cover  a protective covering worn over the face
  subtype:  catcher's_mask__catcher'smask  a mask to protect the face of the catcher in baseball
     subtype:  bar_mask__barmask  a catcher's mask with bars
     subtype:  birdcage_mask  a catcher's mask with a strong wire face
  subtype:  face_guard  face mask consisting of a strong wire mesh on the front of football helmets
  subtype:  fencing_mask__fencingmask__fencer's_mask  a face mask made of fine mesh that is worn over a fencer's face
  subtype:  ski_mask__skimask  a woolen face mask to protect the face from cold while skiing

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