 |
| trie: 45 phrases in 13 subjects |
| Agriculture | 4 |
| Coal | 2 |
| Communications | 7 |
| Computers | 1 |
| Construction | 1 |
| Environment | 2 |
| General | 4 |
| Industry | 9 |
| Information technology | 2 |
| Marketing | 2 |
| Materials science | 1 |
| Metallurgy | 9 |
| Surveying | 1 |
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