| http://www.w3.org/ns/prov#value | - When a sufficient force 44 (see FIG. 3) is applied (e.g. by pressing down on the lever 14), the dies 17, 18 mechanically intertwine he disc 31 and document 43 so that the materials thereof become substantially inseparably intertwined, for example the paper fibers passing into and through the disc material 31, with the adhesive 33 acting to hold the intertwined fibers even more tightly in place, th
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