 |
| rotating device: 21 phrases in 14 subjects |
| Astronautics | 1 |
| Automated equipment | 1 |
| Caspian | 2 |
| Construction | 1 |
| Drilling | 2 |
| Electronics | 2 |
| Makarov | 1 |
| Medical appliances | 2 |
| Nautical | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Thermal engineering | 1 |
| Transport | 3 |
| Wood processing | 1 |