devices
type: Concept
preferred label: apparater @sv
preferred label: laitteet @fi
narrower: signalling devices

church bells
type: Concept
preferred label: kyrkklockor @sv
preferred label: kirkonkellot @fi
broader: signalling devices

signalling devices
type: Concept
narrower: church bells
related: warning devices
related: semaphore
preferred label: merkinantolaitteet @fi
preferred label: signalsystem @sv
in scheme: conceptscheme
broader: devices

warning devices
type: Concept
preferred label: varoituslaitteet @fi
preferred label: varningsanordningar @sv
related: signalling devices

semaphore
type: Concept
preferred label: signalanordningar @sv
preferred label: opastimet @fi
related: signalling devices