озона : 65 phrases in 16 subjects |
Agriculture | 1 |
Astronautics | 9 |
Astronomy | 3 |
Chemistry | 8 |
Ecology | 6 |
Environment | 3 |
Food industry | 6 |
Forestry | 9 |
General | 1 |
Medical | 1 |
Meteorology | 5 |
Name of organization | 1 |
Natural resourses and wildlife conservation | 1 |
Technology | 6 |
Textile industry | 1 |
United Nations | 4 |