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ravin | |||
creux; combe |
parów : 37 phrases in 13 subjects |
Analytical chemistry | 1 |
Chemistry | 9 |
Construction | 11 |
Electricity generation | 1 |
Electronics | 3 |
Energy industry | 2 |
Environment | 2 |
Mathematics | 2 |
Physical sciences | 2 |
Rail transport | 1 |
Resins | 1 |
Telephony | 1 |
Vacuum tubes | 1 |