Oriri ike dị ala, ọnụego mgbaze dị elu.
Ngwa nchekwa gas zuru oke, ngwakọta gas na-edo edo, mmiri kwụsiri ike, nchekwa zuru oke, nwere ngwaọrụ ngbanwe akpaka.
A na-eji bismuth mee efere ígwè bi-metal composite, anaghị emerụ mmiri magnesium, ma nwee ogologo ndụ ọrụ.