{"id":"S85149955","label":"Zone melting","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85149955","normalized_label":"zone melting","broader":["http://id.loc.gov/authorities/subjects/sh85022900","http://id.loc.gov/authorities/subjects/sh85034495","http://id.loc.gov/authorities/subjects/sh85084158","http://id.loc.gov/authorities/subjects/sh85124647"],"aliases":["Zone leveling","Zone refining"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85149955","provider":"lcsh","revision":"51cecedbd63015cb","taxonomy_revision":"f050b5d4780b1289","title":"Zone melting","url":"/topics/S85149955","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288454693707974144","address_version":"morton4x16-v1","coordinates":[0,20,19748,3072],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}