advertencia: 44 phrases in 20 subjects |
Astronautics | 1 |
Chemistry | 2 |
Commerce | 1 |
Communications | 3 |
Economy | 4 |
Environment | 1 |
Finances | 2 |
Forestry | 1 |
General | 4 |
Health care | 1 |
Labor law | 1 |
Law | 2 |
Mechanic engineering | 1 |
Microsoft | 7 |
Radio | 1 |
Rail transport | 2 |
Technology | 2 |
Telegraphy | 1 |
Transport | 3 |
Work flow | 4 |