Ntinye aka na-aga n'ihu nke ọnụ ụzọ ọkụ buru ibu nke nwere njikọ aka na-aga n'ihu

Mgbanaka na-aga n'ihu, mgbanaka ọnụ ụzọ buru ibu, mgbanaka ọnụ ụzọ dị arọ, a na-eji aluminom alloy eme mgbanaka ndị a, nke nwere ọrụ dịka igbochi ọkụ, mgbochi mmiri na iguzogide nchara.