 |
| |||
| sección elemental | |||
|
elementary section : 17 phrases in 3 subjects |
| Electronics | 9 |
| Information technology | 1 |
| Power lines | 7 |
|
| |||
| sección elemental | |||
|
elementary section : 17 phrases in 3 subjects |
| Electronics | 9 |
| Information technology | 1 |
| Power lines | 7 |