 |
| roller gear: 45 phrases in 14 subjects |
| Armored vehicles | 1 |
| Automated equipment | 2 |
| Automobiles | 19 |
| Chemistry | 1 |
| Construction | 3 |
| Mechanic engineering | 1 |
| Metallurgy | 3 |
| Nautical | 1 |
| Polygraphy | 2 |
| Sailing | 1 |
| Technology | 3 |
| Telecommunications | 1 |
| Transport | 5 |
| Wood processing | 2 |