 |
| |||
| sinalização de direcção | |||
| route signalling: 8 phrases in 4 subjects |
| Communications | 3 |
| Electronics | 3 |
| Information technology | 1 |
| Telecommunications | 1 |
|
| |||
| sinalização de direcção | |||
| route signalling: 8 phrases in 4 subjects |
| Communications | 3 |
| Electronics | 3 |
| Information technology | 1 |
| Telecommunications | 1 |