Nwere ike na ihe ọkụ ọkụ eletrik kpoo ọkụ ahụ?

Crucible bụ akpa pụrụ iche eji ejide mmiri igwe a wụrụ awụ na kpo oku na mmeghachi omume mmiri siri ike. Emere ya na mbụ nke ihe ntughari ma nwee nguzogide okpomọkụ dị elu siri ike. N’otu oge ahụ, ọ bụ ụdị akpa na-enweghị ihe mkpuchi. Nke a bụ akpa a na-emeghe, ya mere enwere ike itinye ya n’ime ọkụ ọkụ eletrik na-anwale maka ikpo ọkụ, ma e nwere ọtụtụ ụdị crucibles, ọ bụghịkwa ihe niile nwere ike itinye n’ime ọkụ eletrik nnwale.