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

<http://www.irandoc.acir/onto/irandoc/NEMA0004989>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004988> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004990> ;
  skos:prefLabel "ورقه‌سازی"@fa, "laminating"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/NEMA0004988>
  skos:prefLabel "نوردکاری فلز"@fa, "metal rolling"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0004989> .

<http://www.irandoc.acir/onto/irandoc/NEMA0004990>
  skos:prefLabel "فرایندهای صنعتی"@fa, "industrial processes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0004989> .