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

<http://www.irandoc.acir/onto/irandoc/NEMA0007762>
  skos:prefLabel "بتن‌ها"@fa, "concretes"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007783> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007791>
  skos:prefLabel "مصالح ساختمانی"@fa, "construction materials"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/NEMA0007783> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007780>
  skos:prefLabel "گچ تزئینی"@fa, "stucco"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007783> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007774>
  skos:prefLabel "سیمان‌ها"@fa, "cements"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007783> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007779>
  skos:prefLabel "plaster"@en, "گچ"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007783> .

<http://www.irandoc.acir/onto/irandoc/NEMA0007783>
  skos:prefLabel "ملات‌ها (مواد)"@fa, "mortars (materials)"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007762>, <http://www.irandoc.acir/onto/irandoc/NEMA0007780>, <http://www.irandoc.acir/onto/irandoc/NEMA0007774>, <http://www.irandoc.acir/onto/irandoc/NEMA0008822>, <http://www.irandoc.acir/onto/irandoc/NEMA0007779> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/NEMA0007791> .

<http://www.irandoc.acir/onto/irandoc/NEMA0008822>
  skos:prefLabel "مواد نسوز"@fa, "refractory materials"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/NEMA0007783> .