|
locking mechanism : 45 phrases in 17 subjects |
| Artillery | 2 |
| Astronautics | 1 |
| Automated equipment | 2 |
| Aviation | 7 |
| Electronics | 1 |
| General | 1 |
| Leather | 1 |
| Makarov | 2 |
| Medical appliances | 3 |
| Metallurgy | 1 |
| Military | 4 |
| Plastics | 1 |
| Programming | 3 |
| SAP tech. | 2 |
| Shipbuilding | 1 |
| Technology | 10 |
| Transport | 3 |