 |
| crows nest: 38 phrases in 16 subjects |
| American usage, not spelling | 1 |
| Automobiles | 1 |
| Drilling | 2 |
| General | 2 |
| Military aviation | 1 |
| Nautical | 11 |
| Oil / petroleum | 6 |
| Oil and gas | 1 |
| Oil and gas technology | 2 |
| Oilfields | 2 |
| Rail transport | 2 |
| Road works | 1 |
| Sakhalin | 1 |
| Shipbuilding | 3 |
| Weapons and gunsmithing | 1 |
| Yachting | 1 |