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Sigma KEE - ProtectiveEyewear

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防护眼镜
A general concept for a WearableItem (like goggles and protective glasses) designed to prevent the Injuring of Eye of the wearer.
Relationships      
Parents SafetyDevice Any Device that is designed to prevent (or lessen the likelihood of) the Injuring of a Human.
  可穿戴物品 WearableItem is the subclass of Artifacts that are made to be worn on the body.


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Sigma version 3.0 is open source software produced by Articulate Software and its partners