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lock spring : 63 phrases in 22 subjects |
| Armored vehicles | 5 |
| Artillery | 1 |
| Automated equipment | 3 |
| Automobiles | 6 |
| Construction | 3 |
| Electronics | 1 |
| Firefighting and fire-control systems | 1 |
| General | 2 |
| Mass media | 1 |
| Mechanic engineering | 1 |
| Mechanics | 1 |
| Medical appliances | 1 |
| Military | 1 |
| Nautical | 1 |
| Oil and gas | 2 |
| Packaging | 1 |
| Polygraphy | 1 |
| Space | 2 |
| Technology | 17 |
| Thermal engineering | 1 |
| Transport | 2 |
| Weapons and gunsmithing | 9 |