Izinto zokunamathisela seziyinto ebaluleke kakhulu ezimbonini zesimanje ngenxa yokuguquguquka kwazo, ukuqina, nokusebenza kahle kwazo. Phakathi kwalokhu, izinto ezizinamathelayo ezifana ne-PP ezinamathelayo, izinto ezizinamathelayo ze-PET, nezinto ezizinamathelayo ze-PVC zigqama kakhulu...
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