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

<http://www.irandoc.acir/onto/irandoc/CAB0003540>
  skos:altLabel "engines, rotary"@en ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0003542> ;
  skos:prefLabel "rotary engines"@en, "موتور چرخشی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/CAB0003542>
  skos:prefLabel "engines by type"@en, "نوع موتور"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0003540> .