@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/insp0004920>
  skos:prefLabel "Optical fabrication"@en, "ساخت نوری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0014328> .

<http://www.irandoc.acir/onto/irandoc/insp0014329>
  skos:prefLabel "Chemical exchange"@en, "تبادل شیمیایی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0014328> .

<http://www.irandoc.acir/onto/irandoc/insp0012024>
  skos:prefLabel "Proton exchange membrane fuel cell"@en, "پیل سوختی با غشاء تبادل پروتونی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0014328> .

<http://www.irandoc.acir/onto/irandoc/insp0014328>
  skos:altLabel "تبادل پروتون"@fa, "proton exchange"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004920>, <http://www.irandoc.acir/onto/irandoc/insp0012024> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0014329> ;
  skos:prefLabel "تبادل یونی"@fa, "Ion exchange"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .