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Broader term(s):
safety and health engineering
[S]
signalling and communications
[Si]
►
optical signalling
signalisation optique (French)
senalizacion optica (Spanish)
[facet: Sib]
Synonyms
luminous warning devices
marker lights
See CISDOC entries »
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Narrower term(s):
hand signalling
[Siba]
signal flares
[Sibi]
signal lamps
[Sibe]
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