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Term 1: Term 2:

(subclass Lumber WoodProduct) Economy.kif 5532-5532 Lumber is a subclass of wood product
(subclass RoughSawnLumber Lumber) Economy.kif 5544-5544 Rough sawn lumber is a subclass of lumber
(subclass FinishedLumber Lumber) Economy.kif 5558-5558 FinishedLumber is a subclass of lumber


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