control field
| format
| control field | |
| commun. IT | campo de controlo |
| format | |
| agric. industr. | formato |
| comp., MS | formato; formatar |
| |||
| campo de controlo | |||
| |||
| campo de controlo | |||
|
control field : 7 phrases in 5 subjects |
| Communications | 2 |
| Electronics | 1 |
| Energy industry | 2 |
| Information technology | 1 |
| Natural sciences | 1 |