@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://rdf-vocabulary.ddialliance.org/xkos#> .

<http://www.irandoc.acir/onto/irandoc/AGR0015708>
  skos:prefLabel "Coal byproducts"@en, "فراورده‌های فرعی زغال‌سنگ"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/AGR0015709> .

<http://www.irandoc.acir/onto/irandoc/AGR0015706>
  skos:prefLabel "Mine spoil"@en, "خار و خاشاک معدن"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:parents <http://www.irandoc.acir/onto/irandoc/AGR0015709> ;
  ns0:has_broader <http://www.irandoc.acir/onto/irandoc/AGR0015709> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/AGR0015709> .

<http://www.irandoc.acir/onto/irandoc/AGR0015709>
  skos:narrower <http://www.irandoc.acir/onto/irandoc/AGR0015706>, <http://www.irandoc.acir/onto/irandoc/AGR0015708>, <http://www.irandoc.acir/onto/irandoc/AGR0015707> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/AGR0015730> ;
  skos:prefLabel "Industrial wastes"@en, "پسماندهای صنعتی"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .

<http://www.irandoc.acir/onto/irandoc/AGR0015730>
  skos:prefLabel "Wastes"@en, "پسماندها"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/AGR0015709> .

<http://www.irandoc.acir/onto/irandoc/AGR0015707>
  skos:prefLabel "Slags"@en, "سرباره‌ها"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  ns0:parents <http://www.irandoc.acir/onto/irandoc/AGR0015709> ;
  ns0:has_broader <http://www.irandoc.acir/onto/irandoc/AGR0015709> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/AGR0015709> .