 |
| control area: 47 phrases in 18 subjects |
| Agriculture | 5 |
| Automated equipment | 1 |
| Aviation | 2 |
| Communications | 3 |
| Customs | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Environment | 3 |
| Foreign trade | 4 |
| General | 3 |
| Life sciences | 1 |
| Microsoft | 1 |
| Natural resourses and wildlife conservation | 2 |
| Nuclear and fusion power | 1 |
| Nuclear physics | 1 |
| Radio | 2 |
| Technology | 1 |
| Transport | 14 |