Iteyiphu ye-PTFE ekrwada (iteyiphu yeTeflon) yenziwe ngepolymer ebizwa ngokuba yipolytetrafluoroethylene, ufakelo lombhobho woqhagamshelo olongeziweyo lusetyenziselwa ukutywina izinto ezincedisayo zokutywina, ezingenatyhefu, zingenancasa, kwaye le mathiriyeli yayilutywino oluhle, ukuxhathisa umhlwa, ukugquma, ngoko ke isetyenziswa kakhulu kwi...
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