PTFE yaiwisi tepi (Teflon tepi) amapangidwa ndi polima wotchedwa polytetrafluoroethylene, ndi kumatheka kugwirizana chitoliro unsembe ntchito madzi kusindikiza zinthu zothandizira, sanali poizoni, zoipa, ndipo zinthu zimenezi anali kusindikiza bwino, dzimbiri kukana, kutchinjiriza, kotero iwo ali. amagwiritsidwa ntchito kwambiri mu ...
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