| http://www.w3.org/ns/prov#value | - The beveled end defines an angles exterior surface and impressed or formed on the angled surface of the beveled end are two spaced-apart directional arrows (spaced 180 degrees apart) that indicate the direction the piping is being pulled and the direction the beveled end of the directional collar should face for effectively deflecting rocks, stones, and other debris away from the conventional join
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