rate of fire: 64 phrases in 12 subjects |
Armored vehicles | 5 |
Artillery | 2 |
Astronautics | 1 |
Firefighting and fire-control systems | 3 |
General | 1 |
Military | 35 |
Missiles | 1 |
Nanotechnology | 1 |
Occupational health & safety | 1 |
Oil / petroleum | 1 |
Technology | 6 |
Weapons and gunsmithing | 7 |