opérations de contrôle: 17 phrases in 9 subjects |
Astronautics | 2 |
Construction | 1 |
Foreign exchange market | 2 |
International Monetary Fund | 3 |
Mechanic engineering | 2 |
Medical appliances | 2 |
Military | 2 |
Natural resourses and wildlife conservation | 1 |
Technology | 2 |