Iindaba zeShishini
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Inkcazo epheleleyo yezixhobo zeTPU
Ngo-1958, iGoodrich Chemical Company (ngoku ebizwa ngokuba yiLubrizol) yabhalisa uphawu lweTPU i-Estane okokuqala. Kwiminyaka engama-40 edlulileyo, bekukho amagama eempawu angaphezu kwama-20 kwihlabathi liphela, kwaye uphawu ngalunye luneemveliso ezininzi. Okwangoku, abavelisi bezinto ezikrwada zeTPU baquka...Funda ngokugqithisileyo