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удлинительная трубка : 27 phrases in 14 subjects |
| Astronautics | 1 |
| Aviation | 3 |
| Chemistry | 1 |
| Construction | 2 |
| Electronics | 4 |
| Medical appliances | 1 |
| Mining | 1 |
| Oil and gas technology | 1 |
| Optics branch of physics | 1 |
| Photography | 2 |
| Radio | 1 |
| Surveying | 1 |
| Technology | 7 |
| Trucks/Lorries | 1 |