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openings : 70 phrases in 24 subjects |
Accounting | 3 |
Agriculture | 8 |
Building structures | 1 |
Chess | 2 |
Communications | 4 |
Construction | 6 |
Earth sciences | 2 |
Economy | 1 |
Electronics | 1 |
Employment | 1 |
Fish farming pisciculture | 1 |
General | 4 |
Industry | 3 |
Law | 3 |
Life sciences | 2 |
Marketing | 2 |
Materials science | 2 |
Mechanic engineering | 7 |
Medical | 1 |
Medical appliances | 1 |
Metallurgy | 3 |
Mineral products | 1 |
Technology | 3 |
Transport | 8 |