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| presión normal: 17 phrases in 10 subjects |
| Chemistry | 2 |
| Earth sciences | 1 |
| General | 2 |
| Life sciences | 1 |
| Materials science | 4 |
| Mechanic engineering | 2 |
| Medical | 2 |
| Metallurgy | 1 |
| Technology | 1 |
| Transport | 1 |
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