Ngo-1960, indodana, u-Bob Gore wathola indlela yokuguqula i-PTFE ibe ulwelwesi oluqinile, olunezimbobo, olulungisekayo ngokulukhulisa lube yi-ePTFE. I-PTFE kanye ne-ePTFE kuyafana ngamakhemikhali, kodwa inguqulo eyandisiwe ingenziwa ngezimbotshana ezinobukhulu obuhlukahlukene, futhi iminyene kakhulu, ngakho izakhiwo zayo zomshini ziyi...
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