Nkọwa Ngwaahịa
1.Ihe e ji eriri carbon mee + ụdị okooko osisi rose mara mma, mara mma ma dịkwa mma. Patent pụrụ iche n'ihu na azụ 180
Nke gara aga: Eriri Carbon nke nwere ike ịgbanwe agbanwe Osote: Krọshị eriri carbon nke a na-agbanwe agbanwe nke na-anaghị amị amị