Mgbaaka nkewa nkewa bụ ụdị nkwakọ ngwaahịa ụlọ elu seramiiki. Ọ nwere ezigbo iguzogide acid na iguzogide okpomọkụ. Ọ nwere ike iguzogide nchara nke ọtụtụ asịd inorganic, asịd organic na ihe mgbaze organic ma e wezụga hydrofluoric acid, a pụkwara iji ya mee ihe n'ọnọdụ okpomọkụ dị elu ma ọ bụ dị ala. N'ihi ya, oke ojiji dị oke obosara. Enwere ike iji nkwakọ ngwaahịa ahụ mee ihe na kọlụm nkụ, kọlụm ndị na-amịkọrọ ihe, ụlọ elu oyi, ụlọ elu nhicha na kọlụm ndị na-eme ihe na ụlọ ọrụ kemịkalụ, ụlọ ọrụ ígwè, ụlọ ọrụ gas coal, ụlọ ọrụ mmepụta oxygen.