الصورة ١٩ من ١٩ في صور الحائط

Polyacrylamide is a water-soluble polymer with applications in water treatment, agriculture, and industry. It improves water clarity, reduces soil erosion, and enhances oil recovery. #Polyacrylamide #Sustainability
http://bit.ly/witcarbon

البوم stone LCD: صور الحائط


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