 |
| speed change: 125 phrases in 26 subjects |
| Armored vehicles | 5 |
| Automated equipment | 11 |
| Automobiles | 12 |
| Chess | 1 |
| Construction | 6 |
| Electronics | 2 |
| Equestrian sports | 1 |
| Gear train | 1 |
| General | 7 |
| Machine tools | 1 |
| Makarov | 1 |
| Mechanic engineering | 20 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Military | 4 |
| Mining | 2 |
| Nautical | 7 |
| Oil / petroleum | 2 |
| Oilfields | 1 |
| Rail transport | 6 |
| Road works | 1 |
| Shipbuilding | 2 |
| Technology | 21 |
| Thermal engineering | 3 |
| Torpedoes | 1 |
| Transport | 5 |