class B
| division
| class B | |
| radio | B-Betrieb |
| division | |
| gen. | Division; Liga; Skalenteilung; Spaltung; Sparte; Trennung |
| brit. | Unterhausabstimmung |
| |||
| B-Betrieb einer Verstärkerstufe | |||
|
class B : 25 phrases in 10 subjects |
| Communications | 1 |
| Economics | 1 |
| Electronics | 4 |
| General | 1 |
| Materials science | 1 |
| Measuring instruments | 1 |
| Medical | 6 |
| Microsoft | 1 |
| Technology | 8 |
| Transport | 1 |