Anyị na-akwado ndị na-ere ahịa anyị na ezigbo ezigbo ahịa ahịa na nnukwu ọkwa. Buru onye ọkachamara na ngalaba a, anyị emezuwo ihe bara uru na imepụta na ijikwa maka ịkwa ákwá na ngwaahịa,Ọla kọpa (II) chloride dihydrate acs klas,Lime acha anụnụ anụnụ,Cupric chloride dihydrate 98%,Cuo ntụ ntụ. Dịka otu ndị nwere ahụmahụ, anyị na-anabatakwa omenala - emeela iwu. Ebumnuche nke ụlọ ọrụ anyị bụ iwulite ebe nchekwa na-eju afọ, ma guzobe ogologo - oge mmeri - merie njikọ azụmaahịa. Ngwaahịa ahụ ga-enyefe ụwa niile, America, Australia, Brazil, Switfield, na-arụ ọrụ nke ọma, nke mbụ, na-arụ ọrụ ma meziwanye ọrụ nnabata ndị na-elekọta.
Hapụ Ozi Gị