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615 phrases
in 22 subjects
Air defense
5
Automobiles
197
Aviation
46
Business
5
Compressors
2
Computer networks
2
Computers
6
Cryptography
2
Drilling
1
Earth sciences
2
Electronics
183
Explosives and Explosive Ordnance Disposal
1
Geophysics
3
Information technology
66
Navigation
5
Oil / petroleum
2
Oil processing plants
1
Rail transport
1
Shipbuilding
1
Space
16
Technology
48
Telecommunications
20
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