Muaj peb hom kev siv cov hmoov txhuas: 1. Hlau-raws li conductive hmoov: xws li nyiaj, tooj liab, npib tsib xee hmoov, thiab lwm yam. Tsis muaj qhov tsis ntseeg tias cov hmoov hlau kheej kheej thiab flake silver hmoov muaj qhov zoo tshaj plaws hluav taws xob conductivity, ruaj khov khoom, thiab muaj zog corrosion kuj....
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