noki
type: Concept
preferred label: sot @sv
preferred label: soot @en
related: tuhka

ilman epäpuhtaudet
type: Concept
related: tuhka

tuhka
type: Concept
alternative label: ash @en
broader: aine
in scheme: conceptscheme
narrower: luutuhka
narrower: puutuhka
narrower: turvetuhka
narrower: lentotuhka
preferred label: ashes @en
preferred label: aska @sv
related: maanparannusaineet
related: kalkitusaineet
related: noki
related: ilman epäpuhtaudet
related: puuhiili
cc: C22 viljely
cc: C80 ymparistonsuojelu

puuhiili
type: Concept
preferred label: träkol @sv
preferred label: charcoal @en
related: tuhka

maanparannusaineet
type: Concept
preferred label: soil treatments @en
preferred label: jordförbättringsmedel @sv
related: tuhka

aine
type: Concept
narrower: tuhka
preferred label: matter @en
preferred label: materia @sv

lentotuhka
type: Concept
broader: tuhka
preferred label: flygaska @sv
preferred label: fly ash @en

luutuhka
type: Concept
broader: tuhka

turvetuhka
type: Concept
broader: tuhka

kalkitusaineet
type: Concept
preferred label: liming materials @en
related: tuhka

puutuhka
type: Concept
broader: tuhka