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

<http://www.irandoc.acir/onto/irandoc/NEMA0001642>
  skos:prefLabel "گریس‌ها"@fa, "greases"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001689> .

<http://www.irandoc.acir/onto/irandoc/NEMA0003655>
  skos:prefLabel "فراورده‌های نفتی"@fa, "petroleum products"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001689> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001689>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001642>, <http://www.irandoc.acir/onto/irandoc/NEMA0002601>, <http://www.irandoc.acir/onto/irandoc/NEMA0001640>, <http://www.irandoc.acir/onto/irandoc/NEMA0001705>, <http://www.irandoc.acir/onto/irandoc/NEMA0003655>, <http://www.irandoc.acir/onto/irandoc/NEMA0001704> ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:prefLabel "lubricating oils"@en, "روغن‌های روان‌ساز"@fa ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0001707>, <http://www.irandoc.acir/onto/irandoc/NEMA0001643> ;
  skos:altLabel "روغن‌های موتور"@fa ;
  skos:scopeNote "روغن‌های موتور"@fa .

<http://www.irandoc.acir/onto/irandoc/NEMA0001704>
  skos:prefLabel "vegetable oils"@en, "روغن‌های گیاهی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001689> .

<http://www.irandoc.acir/onto/irandoc/NEMA0002601>
  skos:prefLabel "نفت خام"@fa, "petroleum"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001689> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001640>
  skos:prefLabel "روان‌کننده‌های جامد"@fa, "solid lubricants"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001689> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001707>
  skos:prefLabel "روغن‌ها"@fa, "oils"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0001689> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001643>
  skos:prefLabel "روان‌کننده‌ها"@fa, "lubricants"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0001689> .

<http://www.irandoc.acir/onto/irandoc/NEMA0001705>
  skos:prefLabel "روغن‌های مصنوعی"@fa, "synthetic oils"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0001689> .