|
Control unit : 118 phrases in 24 subjects |
| Agriculture | 1 |
| Antennas and waveguides | 1 |
| Astronautics | 1 |
| Automated equipment | 3 |
| Automobiles | 1 |
| Aviation | 3 |
| Communications | 12 |
| Computers | 1 |
| Cultural studies | 1 |
| Earth sciences | 2 |
| Electronics | 2 |
| Finances | 1 |
| Forestry | 1 |
| General | 18 |
| Health care | 2 |
| Industry | 1 |
| Information technology | 31 |
| Measuring instruments | 1 |
| Mechanic engineering | 6 |
| Meteorology | 2 |
| Politics | 3 |
| Technology | 8 |
| Transport | 13 |
| United Nations | 3 |