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

<http://www.irandoc.acir/onto/irandoc/NEMA0004672>
  skos:prefLabel "الیاف مصنوعی"@fa, "synthetic fibres"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004668> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008371>
  skos:prefLabel "استرها (شیمی)"@fa, "esters"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0004668> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004668>
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0008371> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004672> ;
  skos:prefLabel "الیاف پلی‌استر"@fa, "polyester fibres"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .