I-Polyeter, igama elipheleleyo: I-Bureau ethylene terephthalate, xa ivutha, umbala welangatye uphuzi, kukho umsi omkhulu womsi omnyama, kwaye iphunga elivuthayo alikho likhulu. Emva kokutshisa, zonke ziyi-particles ezinzima. Zezona zisetyenziswa kakhulu, elona xabiso liphantsi, ixesha elide...
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