Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/44
Is Reference of Olieraffinaderitekniker-da#Sense
Erdoelraffinierer-de#Sense
Trabalhador de refinação do petróleo-pt#Sense
Petroleum refining worker-en#Sense
Operaio della raffinazione del petrolio-it#Sense
Arbeider aardolieraffinaderij-nl#Sense
Ouvrier du raffinage du pétrole-fr#Sense