Constantan eguzogide resistorNjirimara:arụmọrụ kwụsiri ikeObere ohmInductance dị alaMfe solder, elu ntụkwasị obi, elu bufee ike
Ngwa:Usoro ntụrụndụ, TV, Audio, Ọkụ ọkụ, Sistemụ Mita/ Ngwa, Sistemụ akpaaka