 |
| covering plate: 45 phrases in 13 subjects |
| Ball bearings | 1 |
| Building structures | 2 |
| Construction | 18 |
| Earth sciences | 1 |
| Electronics | 1 |
| General | 2 |
| Industry | 2 |
| Mechanic engineering | 1 |
| Metallurgy | 5 |
| Optics branch of physics | 1 |
| Technology | 5 |
| Transport | 3 |
| Weapons and gunsmithing | 3 |