вулканов : 143 phrases in 14 subjects |
Astronomy | 3 |
Construction | 2 |
Education | 1 |
Environment | 1 |
General | 11 |
Geology | 109 |
Informal | 2 |
Medical | 1 |
Natural resourses and wildlife conservation | 2 |
Oil and gas technology | 2 |
Physics | 1 |
Poetic | 1 |
Technology | 6 |
Volcanology | 1 |