@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<http://www.irandoc.acir/onto/irandoc/73040002>
  skos:prefLabel "بخارات پنتوکسید وانادیوم"@fa, "Vanadium pentoxide fumes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/81419006> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/81419006> .

<http://www.irandoc.acir/onto/irandoc/72551001>
  skos:prefLabel "دود فلزات"@fa, "Metal fumes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/81419006> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/81419006> .

<http://www.irandoc.acir/onto/irandoc/441900009>
  skos:prefLabel "Chemical"@en, "شیمیایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/81419006> .

<http://www.irandoc.acir/onto/irandoc/311430003>
  skos:prefLabel "دود فرمالین"@fa, "Formalin fumes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/81419006> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/81419006> .

<http://www.irandoc.acir/onto/irandoc/81419006>
  skos:prefLabel "دودهای شیمیایی"@fa, "Chemical fumes"@en ;
  a skos:Concept, <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept> ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/441900009>, "278423000" ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/73040002>, <http://www.irandoc.acir/onto/irandoc/72551001>, <http://www.irandoc.acir/onto/irandoc/281356001>, <http://www.irandoc.acir/onto/irandoc/311430003> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/441900009> .

ns0:Is_a rdfs:label "هست یک"@fa, "Is a"@en .
<http://www.irandoc.acir/onto/irandoc/281356001>
  skos:prefLabel "دودهای پلیمری"@fa, "Polymer fumes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:Is_a <http://www.irandoc.acir/onto/irandoc/81419006> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/81419006> .