@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

n9j:-HCCPZMGP-M
  skos:prefLabel "pollution"@en ;
  a skos:Concept ;
  skos:narrower n9j:-KB2VT665-0 .

n9j:-KB2VT665-0
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/catalytic_converters> ;
  skos:definition "A CATALYTIC CONVERTER is a device that is designed to reduce dangerous emissions from combustion engines such as those used in automobiles. It works by enhancing the combustion of unburned hydrocarbons that would otherwise enter the atmosphere through the exhaust. [Source: Encyclopedia of Environment and Society; Catalytic Converters]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-HCCPZMGP-M ;
  skos:prefLabel "catalytic converters"@en .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-KB2VT665-0 .

n9j: a skos:ConceptScheme .