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primer : 49 phrases in 11 subjects |
| Agriculture | 2 |
| Chemistry | 23 |
| Coal | 5 |
| Electronics | 5 |
| Environment | 1 |
| General | 2 |
| Industry | 3 |
| Life sciences | 1 |
| Materials science | 3 |
| Medical | 1 |
| Metallurgy | 3 |
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