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arrière-plan: 68 phrases in 13 subjects |
Aviation | 1 |
Banking | 1 |
Computers | 16 |
Data processing | 1 |
General | 3 |
Information technology | 21 |
Mechanic engineering | 1 |
Microsoft | 16 |
Natural resourses and wildlife conservation | 1 |
Patents | 2 |
Photography | 1 |
Politics | 2 |
Surveying | 2 |