 |
| |||
| curved chord (фермы) | |||
| boom of arch; camel-back chord; curved chord | |||
| криволинейный пояс: 41 phrases in 10 subjects |
| Construction | 16 |
| Electronics | 1 |
| Makarov | 3 |
| Mechanic engineering | 1 |
| Military | 1 |
| Rail transport | 6 |
| Road works | 3 |
| Seismology | 5 |
| Technology | 3 |
| Transport | 2 |