O nwere okwu na-amachaghị nke ọma, nke nwere ike ọ gaghị ama nke ọma nye onye ọ bụla, nke a na-akpọ friji.N'ezie, friji na-agafe agafe bụ ngwaahịa dị ka akpa mkpuchi mkpuchi aluminum, ngwugwu ice, na ngwugwu ice nke anyị na-ahụkarị.Ngwaahịa a nwere ezigbo mkpuchi thermal ma nwee...
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