Txij nkawm ntawm soaking block thiab cub tawg Tom qab siv ntev ntawm cua sov thaiv, nws yuav oxidize, uas yog ib qho xwm txheej ib txwm muaj. Cov degree ntawm oxidation muaj feem xyuam nrog kev siv zaus, siv ntsuas kub thiab siv ib puag ncig. Yog hais tias soaking block yog tiag oxidized, nws yuav tsum tau hloov, txwv tsis pub ...
Nyeem ntxiv