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flashing : 53 phrases in 14 subjects |
| Chemistry | 3 |
| Coal | 1 |
| Communications | 15 |
| Construction | 1 |
| Earth sciences | 3 |
| Electronics | 1 |
| General | 7 |
| Industry | 2 |
| Life sciences | 1 |
| Materials science | 1 |
| Mechanic engineering | 2 |
| Medical | 1 |
| Metallurgy | 9 |
| Transport | 6 |