 |
|
rivet head : 179 phrases in 18 subjects |
| Automated equipment | 11 |
| Automobiles | 2 |
| Aviation | 8 |
| Construction | 25 |
| Electronics | 6 |
| Machinery and mechanisms | 6 |
| Makarov | 2 |
| Mechanic engineering | 34 |
| Mechanics | 3 |
| Metallurgy | 1 |
| Military | 2 |
| Nautical | 6 |
| Rail transport | 2 |
| Seismology | 1 |
| Shipbuilding | 5 |
| Space | 3 |
| Technology | 59 |
| Transport | 3 |