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типа : 137 phrases in 14 subjects |
Automobiles | 2 |
Construction | 19 |
Education | 4 |
Electrical engineering | 1 |
Environment | 13 |
Food industry | 1 |
Forestry | 2 |
General | 15 |
Historical | 3 |
Mathematics | 18 |
Microsoft | 47 |
Scientific | 1 |
Technology | 10 |
Waste management | 1 |