producing area: 30 phrases in 14 subjects |
Agriculture | 2 |
Agrochemistry | 1 |
Ecology | 3 |
Economy | 4 |
Electronics | 1 |
Forestry | 1 |
General | 1 |
Makarov | 8 |
Mining | 1 |
Natural resourses and wildlife conservation | 2 |
Nuclear physics | 1 |
Oil / petroleum | 1 |
Oil and gas | 2 |
Oilfields | 2 |