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velocidade |
rapidite : 34 phrases in 13 subjects |
Agriculture | 1 |
Communications | 1 |
Electronics | 14 |
Information technology | 1 |
Law | 1 |
Mechanic engineering | 3 |
Medical | 1 |
Metallurgy | 1 |
Microsoft | 1 |
Power lines | 1 |
Radio | 1 |
Telegraphy | 5 |
Vacuum tubes | 3 |