| http://www.w3.org/ns/prov#value | - Draw and/or pressure rings may include one or more of the features: circular or other shape designed to match product shape; external location with respect to the forming die or punch base and die or base contour; stops (rigid or rotating) connected thereto to locate blank prior to formation; cut-out ???relief??? area that is approximately the same depth as the paperboard caliper and slightly larg
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