borrado : 82 phrases in 16 subjects |
Agriculture | 1 |
Chemistry | 1 |
Coal | 1 |
Communications | 6 |
Earth sciences | 1 |
Electronics | 12 |
General | 5 |
Industry | 5 |
Information technology | 28 |
Mechanic engineering | 2 |
Microsoft | 8 |
Patents | 2 |
Sound recording | 4 |
Telegraphy | 1 |
Vacuum tubes | 4 |
Work flow | 1 |