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

<http://www.irandoc.acir/onto/irandoc/NEMA0008142>
  skos:prefLabel "نیروها (مکانیک)"@fa, "forces (mechanics)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0008136> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008136>
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0008142> ;
  skos:prefLabel "کنش و واکنش"@fa, "action & reaction"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .