{"id":"S85130723","label":"Surface preparation","description":"Here are entered works on the cleaning and treatment of surfaces for bonding, coating and sealing.","source_url":"https://id.loc.gov/authorities/subjects/sh85130723","normalized_label":"surface preparation","broader":["http://id.loc.gov/authorities/subjects/sh85027503","http://id.loc.gov/authorities/subjects/sh85048345","http://id.loc.gov/authorities/subjects/sh85119312","http://id.loc.gov/authorities/subjects/sh85130750"],"aliases":["Preparation of surfaces"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85130723","provider":"lcsh","revision":"6a9c16651fb81d03","taxonomy_revision":"f050b5d4780b1289","title":"Surface preparation","url":"/topics/S85130723","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9511822608535258692","address_version":"morton4x16-v1","coordinates":[0,20,19447,35840],"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}