 |
| круглым отверстием: 25 phrases in 17 subjects |
| Automated equipment | 1 |
| Aviation | 1 |
| Construction | 1 |
| Food industry | 1 |
| Forestry | 2 |
| General | 1 |
| Hydraulic engineering | 1 |
| Mechanic engineering | 5 |
| Medical appliances | 1 |
| Mining | 4 |
| Natural resourses and wildlife conservation | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Radio | 1 |
| Surveying | 1 |
| Technology | 1 |
| Textile industry | 1 |