Ø Mkpụrụ Calcium dị elu, na-abawanye site na 50% ma e jiri ya tụnyere waya calcium metal seamed;
Ø Calcium mgbake kwụsiri ike, obere mgbanwe n'etiti oge ọkụ;
Ø Obere fuming, ezigbo nchedo gburugburu ebe obibi;
Ø Ezigbo nri omimi, splashing bụ ihe na-erughị ka ot seamed dị ọcha calcium waya;
Ø Ọnụ ala dị ala, ọnụ ahịa ọgwụgwọ calcium na-ebelata karịa 10%.
Ø Ogologo ndụ ogologo, otu afọ na-enweghị n'ime Ca rod oxidation.
