 |
| спиральная пружина: 53 phrases in 24 subjects |
| Armored vehicles | 4 |
| Automated equipment | 3 |
| Automobiles | 3 |
| Construction | 2 |
| Engines | 1 |
| Forestry | 1 |
| Makarov | 3 |
| Mechanic engineering | 10 |
| Military | 4 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Polygraphy | 3 |
| Public utilities | 1 |
| Radio | 1 |
| Robotics | 1 |
| Sakhalin | 1 |
| Technology | 3 |
| Textile industry | 2 |
| Thermal engineering | 1 |
| Transport | 1 |
| Weapons and gunsmithing | 1 |