Prinkpụrụ: Elecriefiect, ike electromagnetic mepee oghere okporo ụzọ, nrụgide nke elu-elu nke dị ngwa, nrụgide na-akwalite akụkụ mmechi ahụ; Ike, ike mmiri na-emechi oghere ụgbọ mmiri, nrụgide ahụ site na oghere oghere dị elu na akụkụ valve dị elu na-eme ka mmechi nke akụkụ ahụ na-agbadata, mechie valvụ.
