 |
| |||
| arc | |||
| tak (architecture of Central Asia, Střední Asie) | |||
| curve | |||
| arch (klenby) | |||
| saw bow (pily); bulbil (pily) | |||
| buck-saw cross bar (pily) | |||
|
oblouk : 162 do fraz, 11 tematyki |
| Architektura | 5 |
| Astronomia | 16 |
| Budownictwo | 128 |
| Ekonomia | 1 |
| Geodezja | 1 |
| Leśnictwo | 1 |
| Microsoftu | 2 |
| Roboty drogowe | 3 |
| Rolnictwo | 1 |
| Spawalniczy | 3 |
| Transport | 1 |