| |||
light signal | |||
cue light; on air; on the air | |||
light beacon | |||
ground light | |||
illuminated sign | |||
flare |
segnale luminoso : 32 phrases in 8 subjects |
Communications | 10 |
Earth sciences | 3 |
Electronics | 4 |
General | 1 |
Information technology | 1 |
Medical | 1 |
Rail transport | 3 |
Transport | 9 |