 |
| control unit: 109 phrases in 22 subjects |
| Agriculture | 1 |
| Antennas and waveguides | 1 |
| Automated equipment | 3 |
| Aviation | 2 |
| Coal | 1 |
| Communications | 24 |
| Computers | 1 |
| Cultural studies | 1 |
| Earth sciences | 3 |
| Electrical engineering | 2 |
| Finances | 1 |
| General | 11 |
| Health care | 1 |
| Industry | 1 |
| Information technology | 24 |
| Mechanic engineering | 12 |
| Medical | 1 |
| Name of organization | 1 |
| Natural sciences | 1 |
| Politics | 3 |
| Technology | 1 |
| Transport | 13 |