| http://www.w3.org/ns/prov#value | - (a) any vessel, aircraft, work of defense, navy yard, naval base, submarine base, coaling station, fort, battery, torpedo station, dockyard, canal, railroad, arsenal, camp, factory, mine, telephone, telegraph, wireless or signal station, building, office, or other place connected with the national or state defense owned or constructed or in progress of construction by the United States or any of i
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