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66 phrases
in 18 subjects
Air defense
4
Automobiles
2
Aviation
4
Business
1
Communications
1
Earth sciences
1
Electronics
6
General
4
Geophysics
1
Information technology
1
Nuclear physics
1
Oil / petroleum
5
Radio
1
Shipbuilding
1
Space
5
Sports
1
Technology
24
Telecommunications
3
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