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

<http://www.irandoc.acir/onto/irandoc/NEMA0008858>
  skos:prefLabel "موتورهای درون‌سوز"@fa, "internal combustion engines"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008849> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008843>
  skos:prefLabel "موتورهای دوار پیستونی"@fa, "rotary piston engines"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008849> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008848>
  skos:prefLabel "موتورهای رفت و برگشتی"@fa, "reciprocating engines"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008849> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008849>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008843>, <http://www.irandoc.acir/onto/irandoc/NEMA0008848> ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008858> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008864> ;
  skos:prefLabel "موتورهای پیستونی"@fa, "piston engines"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0008864>
  skos:prefLabel "موتورها"@fa, "engines"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008849> .