#oil_refinery__oilrefinery__petroleum_refinery__petroleumrefinery  a refinery for petroleum
  supertype:  #refinery  an industrial plant for purifying a crude substance
  part:  #catalytic_cracker__catalyticcracker__cat_cracker__catcracker  a chemical reactor for converting oils with high boiling points into fuels with lower boiling points in the presence of a catalyst
  part:  #reformer  an apparatus that reforms the molecular structure of hydrocarbons to produce richer fuel; "a catalytic reformer"

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