Kwihlabathi elihlala liguquka lokwenziwa kwezihlangu, ukhetho lwemathiriyeli ludlala indima ebalulekileyo ekumiseleni umgangatho, ukuqina, kunye nokusebenza kwemveliso yokugqibela. Iintlobo ngeentlobo zeerasi, kuquka i-PVC (i-Polyvinyl Chloride), i-RB (i-Rubber), i-PU (i-Polyurethane), i...
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