| http://www.w3.org/ns/prov#value | - Further, while an example with the feed-in roller 34 having a triangular cross-section was explained, the present invention is notlimited to this example, but it should be noted that the feed-in roller may have any desired polygonal cross-section.A second embodiment of the present invention will be explained with reference to FIGS. 4 and 5.FIG. 4 is a schematic sectional view showing a recording a
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