solid fuels
type: Concept
narrower: coke
preferred label: fasta bränslen @sv
preferred label: kiinteät polttoaineet @fi

coke
type: Concept
broader generic: solid fuels
alternative label: carbonised coal
broader: solid fuels
in scheme: conceptscheme
preferred label: koksi @fi
preferred label: koks @sv
related: lignite
related: coal

coal
type: Concept
preferred label: stenkol @sv
preferred label: kivihiili @fi
related: coke

lignite
type: Concept
preferred label: brunkol @sv
preferred label: ruskohiili @fi
related: coke