| http://www.w3.org/ns/prov#value | - In preferred embodiments, the lubricant layer is comprised of polytetrafluoroethylene (Teflon.RTM.) or oil.BRIEF DESCRIPTION OF THE DRAWINGSFIG. 1 is a perspective view of a bowling ball showing the three conventional finger holes.FIG. 2 is a cross-sectional view taken along section lines 2--2 in FIG. 1 showing a first embodiment of the ball
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