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translation from other languages
| English |
coal washing | technique
- only individual words found| technique | |
| gen. | technology |
| chem. | technical; commercial; process; method |
| patents. | engineering; technics; skill |
| polit. | technique |
|
coal : 7 phrases in 3 subjects |
| Geography | 1 |
| Metallurgy | 5 |
| Oil / petroleum | 1 |