 |
|
switching off : 35 phrases in 14 subjects |
| Agriculture | 3 |
| Communications | 1 |
| Computer numerical control | 1 |
| Computers | 1 |
| Earth sciences | 4 |
| Electric machinery | 2 |
| Electronics | 11 |
| General | 4 |
| Magnetics | 1 |
| Mechanic engineering | 2 |
| Power electronics | 1 |
| Rail transport | 2 |
| Technology | 1 |
| Transport | 1 |