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| secondary treatment; intermediate level treatment; secondary biological treatment; secondary treatment Stage of the process of waste water treatment: following primary treatment by sedimentation, the second step in most wastewater systems in which biological organisms decompose most of the organic matter into a innocuous, stable form | |||
| aftertreatment | |||
| secondary wastewater treatment; biological treatment; final treatment (sewage); secondary treatment (sewage) | |||
| Francés tesauro | |||
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| Traitement complémentaire et ou spécialisé, appliqué dans les formations hospitalières de l’infrastructure. (FRA) | |||
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traitement secondaire : 4 a las frases, 3 temas |
| Ambiente | 2 |
| Metalurgia | 1 |
| Recursos naturales y conservación de la vida silvestre. | 1 |