Kufotokozera Mwachidule za PTFE ndi Kusinthasintha Kwake mu Ntchito Zamakono: Polytetrafluoroethylene (PTFE) ndi polima wopangidwa yemwe watchuka kwambiri m'mafakitale osiyanasiyana chifukwa cha kukana kwake kwapadera kwa mankhwala komanso kusagwirizana ndi ...