 |
| magnetic drum: 47 phrases in 16 subjects |
| Astronautics | 2 |
| Automated equipment | 1 |
| Computers | 5 |
| Electronics | 3 |
| Finances | 1 |
| Food industry | 1 |
| General | 1 |
| Information technology | 8 |
| Mechanics | 1 |
| Metrology | 1 |
| Military | 3 |
| Mining | 1 |
| Natural resourses and wildlife conservation | 1 |
| Physics | 4 |
| Technology | 12 |
| Telecommunications | 2 |