 |
|
operating-mode : 33 phrases in 13 subjects |
| Air defense | 1 |
| Automated equipment | 2 |
| Automobiles | 3 |
| Electric machinery | 1 |
| Electricity | 4 |
| Hydroelectric power stations | 3 |
| Information technology | 5 |
| Nautical | 8 |
| Power electronics | 1 |
| Refrigeration | 2 |
| Scientific | 1 |
| Space | 1 |
| Technology | 1 |