ambient air: 65 phrases in 23 subjects |
Aerohydrodynamics | 1 |
Aluminium industry | 1 |
Automobiles | 2 |
Aviation | 5 |
Construction | 2 |
Ecology | 11 |
Electronics | 1 |
Energy industry | 9 |
Gas processing plants | 1 |
General | 4 |
Makarov | 6 |
Measuring instruments | 2 |
Mechanic engineering | 1 |
Meteorology | 1 |
Military | 1 |
Natural resourses and wildlife conservation | 1 |
Nuclear physics | 1 |
Oil / petroleum | 2 |
Production | 2 |
Silicate industry | 1 |
Technology | 7 |
Water supply | 1 |
Weapons of mass destruction | 2 |