| http://www.w3.org/ns/prov#value | - While the embodiment shown in FIG. 2 employs tractor feed perforations on both edges of the pocket strip for precise mechanical translation and positioning, many other types of positioning features may be used, including printed or molded features that can be optically scanned, dimples or bumps that can be mechanically sensed, rectangular, regularly-spaced indentations that together form a rack of
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