| http://www.w3.org/ns/prov#value | - cross-section, of the hole cutter in FIG. 6.FIG. 8 is a side view as in FIG. 7, including an arbor.DESCRIPTION OF PREFERRED EMBODIMENTThe entire contents of U.S. Provisional Patent Application No. 60/182,932, filed Feb. 16, 2000 and U.S. Provisional Patent Application No. 60/199,212, filed Apr. 24, 2000 are incorporated herein by reference.FIG. 1 and FIGS. 2A through 2E schematically illustrate co
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