firing time : 32 phrases in 16 subjects |
Astronautics | 7 |
Aviation | 1 |
Electrical engineering | 1 |
Electronics | 2 |
Firefighting and fire-control systems | 1 |
General | 2 |
Geophysics | 1 |
Military | 6 |
Mining | 1 |
Missiles | 1 |
Oil / petroleum | 2 |
Seismology | 1 |
Technology | 3 |
Torpedoes | 1 |
Transport | 1 |
Weapons and gunsmithing | 1 |