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63 phrases
in 18 subjects
Agriculture
1
Air defense
6
Animal husbandry
1
Automobiles
2
Communications
1
Earth sciences
3
Electric machinery
1
Electronics
6
Explosives and Explosive Ordnance Disposal
1
General
2
Geophysics
1
Information technology
2
Mathematics
2
Oil / petroleum
5
Shipbuilding
1
Space
5
Technology
19
Telecommunications
4
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