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| sistema chimico | |||
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chemical system : 30 phrases in 10 subjects |
| Chemistry | 16 |
| Criminal law | 1 |
| Earth sciences | 1 |
| Electronics | 3 |
| General | 1 |
| Health care | 1 |
| Law | 2 |
| Life sciences | 1 |
| Natural sciences | 2 |
| Transport | 2 |
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