Kwilizwe lokubumba inaliti, iPPO (iPolyphenylene Oxide) ibalasele ngeempawu zayo ezikhethekileyo. Eyaziwayo ngokumelana nobushushu obuphezulu, ukuzinza kweekhemikhali, kunye nokufakelwa kombane okuphezulu, i-PPO yinto ekhethiweyo yoluhlu olubanzi lwezicelo. Kweli nqaku, siphonononga inzuzo...
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