| http://www.w3.org/ns/prov#value | - A push-on cap for covering the pointed, threaded end of a metal screw, the cap comprising a body having a closed end and an open end, said open end terminating in a lip extending laterally from said open end, being covered by a snap-on lid, said lid including a lip extending downwardly and inwardly to co-act with said lip of said cap, the body being filled with a polymer, said lid including an enc
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