English |
and | |
tech. | steel industry |
Navigation | |
gen. | navigation |
commun. | navigation |
econ. | sailing |
emerg.care | navigation |
transp. | navigation system |
transp. avia. | navigation performance |
communication and: 3 phrases in 3 subjects |
Communications | 1 |
General | 1 |
Information technology | 1 |