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Controlled trials of cognitive rehabilitation had mixed results , with the strongest evidence ( Class I ) supporting the use of prosthetic aids to memory . Class attribute will be removed from Descriptor element . Where both process and apparatus ( for Class 68 ) for its practice are claimed , the patent is classified in the class appropriate to the process claimed and is cross-referenced to this class for the apparatus . Under this rule , Fire Condition Class 3 would be considered to pose substantial risk of wildfire , and BLM would make wildfire management decisions for these lands effective immediately .