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sound-and-light (о сигнализации, спектакле); sound and light |
светозвуковой: 12 phrases in 9 subjects |
Electrical engineering | 1 |
Electronics | 2 |
Firefighting and fire-control systems | 1 |
General | 1 |
Military | 3 |
Nautical | 1 |
Police | 1 |
Sakhalin | 1 |
Signalling | 1 |