#beaver.armor_plate  a movable piece of armor on a medieval helmet used to protect the lower face
  supertype:  #armor_plate__armorplate__armour_plate__armor_plating__armorplating__plate_armor__platearmor__plate_armour__platearmour  specially hardened steel plate used to protect fortifications or vehicles from enemy fire
  part of:  #helmet  a protective headgear made of hard material to resist blows

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