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| chemical property | |||
| chemistry | |||
| chemical property | |||
| chemical quality | |||
| chemical mechanism | |||
| chemism | |||
| chemical behavior; chemical activity | |||
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химизм : 7 a las frases, 5 temas |
| Industria de pulpa y papel | 3 |
| Industria energetica | 1 |
| Química | 1 |
| Recursos hídricos | 1 |
| Tecnología | 1 |