A method for memory management is provided for a memory including a plurality of pages. The breathing gas mixture is guided in the device on a side of a selective, semipermeable membrane, which is provided with amine groups, which are bound covalently to a polymer. The contact elements are in electrical contact with each other, with the switch being closed, only in an incorrectly locked state of the first and second detent elements only. Advantageously, the refined avocado oil of the invention is substantially free of acetogenins and furanic lipids. The genes and encoded protein have utility in immunogenic preparations or diagnostic applications. The driving control part provides the display part with a plurality of multi-viewpoint images signals.