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batchwise; in portions |
par portions : 38 phrases in 10 subjects |
Earth sciences | 1 |
Electronics | 2 |
General | 5 |
Information technology | 5 |
Mechanic engineering | 3 |
Mineral products | 1 |
Natural resourses and wildlife conservation | 1 |
Natural sciences | 4 |
Technology | 3 |
Transport | 13 |