|
ceilometer : 6 phrases in 4 subjects |
| Automated equipment | 1 |
| Aviation | 3 |
| Natural resourses and wildlife conservation | 1 |
| Transport | 1 |
|
ceilometer : 6 phrases in 4 subjects |
| Automated equipment | 1 |
| Aviation | 3 |
| Natural resourses and wildlife conservation | 1 |
| Transport | 1 |