Emakethe yezinto zanamhlanjesi, i-PVC (i-Polyvinyl Chloride) ivelele ngokusebenza kwayo okuhle khulu nokusetjenziswa kwayo okuhlukahlukeneko. I-PVC yinto eqakathekileko yeplastiki eyenziwe ngabantu enezinzuzo zokujamelana namakhemikhali, ukuvikela igezi, ukuvimbela amalangabi, ubunzima obulula, ukuqina okukhulu nokulula...
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