förädling
preferred label: improvement @en
preferred label: jalostus @fi
type: Concept
narrower: oljeraffinering

kemisk industri
preferred label: chemical industry @en
preferred label: kemianteollisuus @fi
type: Concept
related: oljeraffinering

oljeraffinering
broader: förädling
related: kemisk industri
in scheme: conceptscheme
preferred label: öljynjalostus @fi
type: Concept