Ev plug
Nchikota nke ọla edo ọla kọpa na plastik na-eguzogide okpomọkụ na elu na-eguzogide ala na-agbadata na-eguzogide na ikpo ọkụ.
Nchekwa na nchekwa
Eriri ọla kọpa dị elu dị elu, ruo na ụwa na mba ụwa; Ọlapt oxygen na-enweghị ọla kọpa na-akwụghị ụgwọ na mmetụta ndị na-eguzogide na-eguzogide, na-ejide njacha kwụ ọtọ;
Mmiri na-eguzogide okpomọkụ.