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inverted V: 29 phrases in 13 subjects |
Antennas and waveguides | 4 |
Armored vehicles | 1 |
Astronautics | 1 |
Automated equipment | 1 |
Aviation | 2 |
Banking | 1 |
Electronics | 2 |
Mass media | 1 |
Mechanic engineering | 4 |
Metallurgy | 2 |
Military | 3 |
Nautical | 3 |
Technology | 4 |