Ø Calcium yield yog siab, nce 50% piv nrog seamed hlau calcium hlau;
Ø Calcium rov qab yog qhov ruaj khov, me me hloov ntawm lub sijhawm cub;
Ø Me me fuming, zoo ib puag ncig tiv thaiv;
Ø Zoo pub qhov tob, txaws tsawg dua li cov pa seamed ntshiab calcium hlau;
Ø Tus nqi qis, tus nqi kho calcium txo qis dua 10%.
Ø Lub neej txee ntev, ib xyoos tsis muaj Ca qws oxidation.
