_:n871e0a10de75405e8b6e1e9782ea160exb0
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.bkairsupply.com/forum/topic/57/%E0%B9%81%E0%B8%AD%E0%B8%A3%E0%B9%8C%E0%B9%80%E0%B8%97%E0%B8%A3%E0%B8%99>