<owl:Class xmlns="https://folio.openlegalstandard.org/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:v1="http://www.loc.gov/mads/rdf/v1#" xmlns:owl="http://www.w3.org/2002/07/owl#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" xmlns:folio="https://folio.openlegalstandard.org/" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" rdf:about="https://folio.openlegalstandard.org/J1Rgx7QYSA-QSmRfFJ_rlA">
  <rdfs:subClassOf rdf:resource="https://folio.openlegalstandard.org/0dB4lp8-SmqZ-TtV9Mms-A"/>
  <rdfs:isDefinedBy rdf:resource="https://www.naics.com/six-digit-naics/?code=324110"/>
  <rdfs:label>Petroleum Refineries</rdfs:label>
  <skos:definition>This industry comprises establishments primarily engaged in refining crude petroleum into refined petroleum. Petroleum refining involves one or more of the following activities: (1) fractionation; (2) straight distillation of crude oil; and (3) cracking.</skos:definition>
</owl:Class>