voie de circulation : 63 phrases in 12 subjects |
Aviation | 15 |
Communications | 5 |
Construction | 5 |
Education | 1 |
Environment | 1 |
General | 2 |
Hobbies and pastimes | 2 |
Information technology | 1 |
Labor law | 1 |
Natural resourses and wildlife conservation | 1 |
Transport | 28 |
United Nations | 1 |