 |
| balance spring: 25 phrases in 15 subjects |
| Automated equipment | 1 |
| Electronics | 1 |
| General | 2 |
| Geophysics | 1 |
| Machinery and mechanisms | 1 |
| Makarov | 1 |
| Mechanic engineering | 2 |
| Metallurgy | 4 |
| Metrology | 1 |
| Polymers | 2 |
| Technology | 5 |
| Textile industry | 1 |
| Tools | 1 |
| Watchmaking | 1 |
| Weapons and gunsmithing | 1 |