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Sigma KEE - Helmet

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(documentation Helmet EnglishLanguage "Any WearableItem designed to protect the Head of the individual who wears it.") Cars.kif 4335-4336
(subclass Helmet
    (CoveringFn Head))
Cars.kif 4334-4334 subclass Helmet and CoveringFn Head
(subclass Helmet SafetyDevice) Cars.kif 4333-4333 subclass Helmet and SafetyDevice

appearance as argument number 2

(subclass MotorcycleHelmet Helmet) Cars.kif 4338-4338 subclass MotorcycleHelmet and Helmet

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