PTFE albarkatun kasa tef (Teflon tef) da aka yi da wani polymer da ake kira polytetrafluoroethylene, an inganta dangane bututu shigarwa da ake amfani da ruwa sealing karin kayayyaki, ba mai guba, m, kuma wannan abu ya kasance mai kyau sealing, lalata juriya, rufi, don haka su ne. ana amfani da shi sosai a cikin ...
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