| |||
| afringningssignal | |||
|
on- hook : 10 phrases in 4 subjects |
| Communications | 7 |
| Electronics | 1 |
| Materials science | 1 |
| Mechanic engineering | 1 |
| |||
| afringningssignal | |||
|
on- hook : 10 phrases in 4 subjects |
| Communications | 7 |
| Electronics | 1 |
| Materials science | 1 |
| Mechanic engineering | 1 |