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 |