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

<http://www.irandoc.acir/onto/irandoc/CAB0002548>
  skos:prefLabel "tunnels"@en, "تونل"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0005052> .

<http://www.irandoc.acir/onto/irandoc/CAB0005061>
  skos:prefLabel "زهکشی"@fa, "drainage"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0005052> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0005052> .

<http://www.irandoc.acir/onto/irandoc/CAB0058392>
  skos:prefLabel "شن"@fa, "gravel"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0005052> .

<http://www.irandoc.acir/onto/irandoc/CAB0005052>
  skos:related <http://www.irandoc.acir/onto/irandoc/CAB0002548>, <http://www.irandoc.acir/onto/irandoc/CAB0058392>, <http://www.irandoc.acir/onto/irandoc/CAB0005061> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0005061> ;
  skos:prefLabel "زهکش‌های تونل شنی"@fa, "gravel tunnel drains"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .