| |||
| código de señalización | |||
|
signalling code : 12 phrases in 6 subjects |
| Communications | 2 |
| Electronics | 3 |
| General | 3 |
| Information technology | 2 |
| Rail transport | 1 |
| Transport | 1 |
| |||
| código de señalización | |||
|
signalling code : 12 phrases in 6 subjects |
| Communications | 2 |
| Electronics | 3 |
| General | 3 |
| Information technology | 2 |
| Rail transport | 1 |
| Transport | 1 |