 |
| survey grid: 21 phrases in 8 subjects |
| Astronautics | 1 |
| Construction | 2 |
| Geophysics | 11 |
| Gold mining | 3 |
| Military | 1 |
| Natural resourses and wildlife conservation | 1 |
| Road works | 1 |
| Weapons and gunsmithing | 1 |
|
| survey grid: 21 phrases in 8 subjects |
| Astronautics | 1 |
| Construction | 2 |
| Geophysics | 11 |
| Gold mining | 3 |
| Military | 1 |
| Natural resourses and wildlife conservation | 1 |
| Road works | 1 |
| Weapons and gunsmithing | 1 |