control zone : 23 phrases in 12 subjects |
Automated equipment | 2 |
Aviation | 2 |
Communications | 1 |
Computer numerical control | 1 |
Economics | 1 |
General | 4 |
Information technology | 2 |
Law | 1 |
Materials science | 1 |
Name of organization | 1 |
Technology | 1 |
Transport | 6 |