filter beds : 51 phrases in 17 subjects |
Aluminium industry | 1 |
Biology | 1 |
Chemistry | 1 |
Construction | 11 |
Ecology | 6 |
Electrical engineering | 2 |
Electronics | 7 |
Energy industry | 5 |
Geology | 2 |
Makarov | 4 |
Military | 1 |
Natural resourses and wildlife conservation | 3 |
Oil / petroleum | 2 |
Oil and gas technology | 1 |
Rail transport | 1 |
Seismology | 1 |
Technology | 2 |