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

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

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