 |
| coupling bolt: 13 phrases in 6 subjects |
| General | 1 |
| Machinery and mechanisms | 1 |
| Mechanic engineering | 4 |
| Technology | 5 |
| Thermal engineering | 1 |
| Weapons and gunsmithing | 1 |
|
| coupling bolt: 13 phrases in 6 subjects |
| General | 1 |
| Machinery and mechanisms | 1 |
| Mechanic engineering | 4 |
| Technology | 5 |
| Thermal engineering | 1 |
| Weapons and gunsmithing | 1 |