# Surface preparation { "id": "S85130723", "title": "Surface preparation", "url": "/topics/S85130723", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "6a9c16651fb81d03", "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" } Here are entered works on the cleaning and treatment of surfaces for bonding, coating and sealing. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh85130723 No owner-reviewed local answer yet.