 |
| Rücklauf: 28 phrases in 15 subjects |
| Agriculture | 1 |
| Communications | 1 |
| Construction | 5 |
| Earth sciences | 1 |
| Electronics | 1 |
| Finances | 1 |
| General | 1 |
| Glass production | 1 |
| Materials science | 1 |
| Mechanic engineering | 5 |
| Metallurgy | 1 |
| Natural sciences | 1 |
| Technology | 1 |
| Telecommunications | 1 |
| Transport | 6 |