{"id":"S85104653","label":"Polymer-impregnated cement","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85104653","normalized_label":"polymer-impregnated cement","broader":["http://id.loc.gov/authorities/subjects/sh85021731"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85104653","provider":"lcsh","revision":"7ad4f0a14ce40aa2","taxonomy_revision":"f050b5d4780b1289","title":"Polymer-impregnated cement","url":"/topics/S85104653","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326590412770902528","address_version":"morton4x16-v1","coordinates":[0,20,19040,13312],"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}