mail service: 38 phrases in 16 subjects |
Advertising | 2 |
Astronautics | 1 |
Aviation | 3 |
Business | 2 |
Computer networks | 2 |
Economy | 6 |
Electronics | 1 |
General | 2 |
Information technology | 4 |
Intelligence and security services | 1 |
Microsoft | 4 |
Military | 2 |
Programming | 1 |
Rail transport | 1 |
Security systems | 1 |
Telecommunications | 5 |