hand signalling
type: Concept
preferred label: handtecken @sv
preferred label: käsimerkit @fi
related: acoustic signals

signal lamps, indicator lamps
type: Concept
preferred label: merkkivalot @fi
preferred label: signallampor, kontrollampor @sv
related: acoustic signals

marks
type: Concept
narrower: acoustic signals
preferred label: tecken @sv
preferred label: merkit @fi

acoustic signals
type: Concept
broader generic: marks
alternative label: sound signals
broader: marks
in scheme: conceptscheme
preferred label: ljudsignaler @sv
preferred label: äänimerkit @fi
related: alarms
related: signal lamps, indicator lamps
related: hand signalling

alarms
type: Concept
preferred label: larm @sv
preferred label: hälytykset @fi
related: acoustic signals