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Relation: subclass

direct-childrendocumentationgraph
ElectricSpeakerDevice4A combination SpeakerDevice and ElectricDevice.^
WearableItem47WearableItem is the subclass of Artifacts that are made to be worn on the body.^
Device1147A Device is an Artifact whose purpose is to serve as an instrument in a specific subclass of ...^
    Earphone.A WearableItem worn on the head with an ElectricSpeaker device located near one or both ears.^

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