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68 phrases
in 18 subjects
Air defense
3
Aviation
8
Business
2
Economy
4
Electronics
14
Exhibitions
1
General
4
Information technology
1
Librarianship
1
Navigation
1
Rowing
2
Securities
1
Skydiving
2
Space
4
Technology
14
Telecommunications
1
Textile industry
1
United Nations
4
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