kugghjul
type: Concept
broader: hjul
preferred label: hammaspyörät @fi
preferred label: cog wheels @en

hjul
type: Concept
broader: maskinkomponenter
in scheme: conceptscheme
narrower: kugghjul
preferred label: wheels @en
preferred label: pyörät @fi

maskinkomponenter
type: Concept
narrower: hjul
preferred label: machine elements @en
preferred label: kone-elimet @fi