"Scope note:\nThis class comprises all persistent physical items that are purposely created by human activity.\n\nThis class comprises man-made objects, such as a swords, and man-made features, such as rock art. No assumptions are made as to the extent of modification required to justify regarding an object as man-made. For example, a \"cup and ring\" carving on bedrock is regarded as instance of E24 Physical Man-Made Thing.\n\nExamples:\n- the Forth Railway Bridge (E22)\n- the Channel Tunnel (E25)\n- the Historical Collection of the Museum Benaki in Athens (E78)\n\nIn First Order Logic:\nE24(x) \u2283 E18(x)\nE24(x) \u2283 E71(x)"@en . . . "E24"^^ . _:b36687 . _:b36687 . _:b36687 . . _:b36687 . "E24 Physical Man-Made Thing"@en .