Asanayambe njira yayikulu yowonjezera, chakudya chosungidwa cha polymeric chimasakanizidwa ndi zowonjezera zosiyanasiyana monga zolimbitsa thupi (kutentha, kukhazikika kwa okosijeni, kukhazikika kwa UV, ndi zina), inki yamtundu, zoletsa moto, zodzaza, zopaka mafuta, zowonjezera, ndi zina. mankhwala khalidwe ndi processability.Ndi...
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