# Circular plates (Engineering) { "id": "S2018003131", "title": "Circular plates (Engineering)", "url": "/topics/S2018003131", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "9da247eb35bb9cd0", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "9854025544614543426", "address_version": "morton4x16-v1", "coordinates": [ 0, 481, 8482, 60416 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh2018003131 No owner-reviewed local answer yet.