The present invention relates to a covering fabric for covering aircraft. The present invention also generally relates to a device for practicing the method of the present invention. By utilizing locally-adaptive palettization, two-dimensional pixel information can be exploited to increase compression performance. One or more user interface elements may be associated with the helical path to effect display of additional information associated with a selected part of the path. The remainder of the end plates are left undisrupted, to maximize bearing strength while promoting bone growth at the apertures. The micro-channels are arranged to provide a reduced migration path for the oxidant.