 |
| differential control: 71 phrases in 22 subjects |
| Astronautics | 1 |
| Automated equipment | 4 |
| Automobiles | 2 |
| Aviation | 3 |
| Construction | 1 |
| Electrical engineering | 1 |
| Electronics | 2 |
| Hydraulics | 1 |
| Mass media | 1 |
| Mathematics | 1 |
| Mechanics | 1 |
| Metallurgy | 2 |
| Military | 3 |
| Navigation | 2 |
| Oil and gas | 3 |
| Oilfields | 1 |
| Refrigeration | 8 |
| Robotics | 2 |
| Sakhalin | 1 |
| Technology | 27 |
| Telecommunications | 1 |
| Transport | 3 |