chronologie : 35 phrases in 12 subjects |
Communications | 3 |
Construction | 1 |
Environment | 1 |
Forestry | 1 |
General | 9 |
Life sciences | 1 |
Metallurgy | 1 |
Microsoft | 5 |
Natural resourses and wildlife conservation | 1 |
Natural sciences | 6 |
Religion | 1 |
Transport | 5 |