fasta bränslen
type: Concept
narrower: brunkol
preferred label: kiinteät polttoaineet @fi
preferred label: solid fuels @en

koks
type: Concept
preferred label: koksi @fi
related: brunkol

brunkol
type: Concept
broader: fasta bränslen
broader: fossila bränslen
in scheme: conceptscheme
preferred label: ruskohiili @fi
preferred label: lignite @en
related: koks
related: stenkol

stenkol
type: Concept
preferred label: coal @en
preferred label: kivihiili @fi
related: brunkol

fossila bränslen
type: Concept
narrower: brunkol
preferred label: fossil fuels @en
preferred label: fossiiliset polttoaineet @fi