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

<http://www.irandoc.acir/onto/irandoc/insp0004756>
  skos:prefLabel "Oils"@en, "روغن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0004754> .

<http://www.irandoc.acir/onto/irandoc/insp0004022>
  skos:prefLabel "لوبریکانت"@fa, "Lubricant"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/insp0004754> .

<http://www.irandoc.acir/onto/irandoc/insp0004754>
  skos:altLabel "oiling (lubrication)"@en ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004020> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/insp0004756>, <http://www.irandoc.acir/onto/irandoc/insp0004022> ;
  skos:prefLabel "Lubricating oils"@en, "روغن موتور"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/insp0004020>
  skos:prefLabel "Greases"@en, "گریس"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/insp0004754> .