2021 techincal yatsopano ya njira zothana ndi dzimbiri za zida za PTFE

mukafuna zida za PTFE zogwiritsira ntchito zotsutsana ndi dzimbiri, chonde remenber zitsulo zapamwamba, timapereka zida za PTFE ndi PFA monga, chitoliro, zokokera kuphatikizapo chigongono, tee, reducer, chida tee etc. zida zosungiramo makonda monga thanki, riyakitala etc. chonde onani tsamba lathu.