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C.E : 39 phrases in 18 subjects |
Abbreviation | 1 |
Aviation | 1 |
Building materials | 1 |
Canada | 1 |
Ecology | 1 |
Economy | 1 |
European Union | 1 |
General | 15 |
High energy physics | 1 |
Hotel industry | 1 |
Law | 3 |
Military | 1 |
Mining | 3 |
Patents | 2 |
Politics | 1 |
Radio | 2 |
Technology | 1 |
Unit measures | 2 |