 |
| |||
| travaux préparatoires en veine | |||
| travaux préparatoires au rocher | |||
| travaux d'aménagement | |||
| travail d'accès et de traçage | |||
|
development work : 12 phrases in 6 subjects |
| Coal | 6 |
| Communications | 1 |
| General | 1 |
| International trade | 1 |
| Social science | 1 |
| United Nations | 2 |
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