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| water-lens | |||
| лінза: 60 phrases in 18 subjects |
| Astronautics | 2 |
| Chemistry | 1 |
| Cinematography | 1 |
| Communications | 2 |
| Construction | 1 |
| Cultural studies | 1 |
| Electronics | 3 |
| General | 8 |
| Medical | 6 |
| Metallurgy | 1 |
| Microelectronics | 5 |
| Military | 3 |
| Oil and gas | 3 |
| Optics branch of physics | 5 |
| Photography | 1 |
| Physics | 1 |
| Technology | 15 |
| Transport | 1 |