 |
| многократное использование: 31 phrases in 16 subjects |
| Astronautics | 5 |
| Aviation | 2 |
| Chemistry | 2 |
| Computers | 1 |
| Electronics | 2 |
| Finances | 1 |
| Food industry | 3 |
| General | 2 |
| Information technology | 2 |
| Logistics | 2 |
| Military | 2 |
| Missiles | 1 |
| Natural resourses and wildlife conservation | 1 |
| Programming | 1 |
| Radio | 1 |
| Technology | 3 |