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activated sludge
agric., chem. الحمأة المُنَشَّطة
construct. وحْل مُنشِّط
environ. حمأ منَشَّط
activated sludge Sludge that has been aerated and subjected to bacterial action; used to speed breakdown of organism matter in raw sewage during secondary waste treatment
environ. طين مُنَشَّط