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erz : 416 phrases in 15 subjects |
Art | 1 |
Chemistry | 43 |
General | 24 |
Geology | 196 |
Historical | 2 |
Jargon | 1 |
Metallurgy | 22 |
Metalworking | 49 |
Mineralogy | 3 |
Mining | 39 |
Natural resourses and wildlife conservation | 2 |
Nautical | 5 |
Oil / petroleum | 3 |
Shipbuilding | 7 |
Technology | 19 |