Uma kuziwa kumalebula azinamathiselayo, wonke umuntu kufanele aqale acabange nge-PET ne-PVC, kodwa kungakanani okwaziyo ngamalebula enziwe nge-PET ne-PVC? Namuhla, ake ngikubonise: Umehluko 1Umumo wempahla eluhlaza uhlukile:I-PVC, okungukuthi, i-polyvinyl chloride, umbala wangempela ubonakala ngokuphuzi kancane...
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