{"id":"S85030703","label":"Concrete coatings","description":"Here are entered works on the protection of concrete from deterioration. Works on the use of cement as a coating to protect other materials are entered under the heading [Cement coating.]","source_url":"https://id.loc.gov/authorities/subjects/sh85030703","normalized_label":"concrete coatings","broader":["http://id.loc.gov/authorities/subjects/sh85027504","http://id.loc.gov/authorities/subjects/sh85107646"],"aliases":["Concrete--Protective coatings"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85030703","provider":"lcsh","revision":"2adf30ecd25e5c66","taxonomy_revision":"f050b5d4780b1289","title":"Concrete coatings","url":"/topics/S85030703","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9550036959788156416","address_version":"morton4x16-v1","coordinates":[0,20,17884,48128],"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}