 |
| |||
| arched; arc; arch | |||
| circular | |||
| дуговий: 58 phrases in 15 subjects |
| Aerodynamics | 4 |
| Aviation | 10 |
| Chemistry | 1 |
| Construction | 2 |
| Earth sciences | 1 |
| Electrical engineering | 1 |
| Electronics | 3 |
| General | 7 |
| Metallurgy | 1 |
| Microelectronics | 2 |
| Military | 5 |
| Oil and gas | 16 |
| Radio | 1 |
| Technology | 2 |
| Welding | 2 |