indicateur de vitesse: 45 phrases in 15 subjects |
Agriculture | 2 |
Aviation | 5 |
Communications | 1 |
Earth sciences | 2 |
Electronics | 1 |
General | 1 |
Information technology | 2 |
Law | 5 |
Measuring instruments | 4 |
Mineral products | 2 |
Natural resourses and wildlife conservation | 2 |
Rail transport | 1 |
Sports | 1 |
Technology | 5 |
Transport | 11 |