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