Teknụzụ na-eme ka ọha mmadụ na-aga n'ihu.N'etiti ndabere, CRE na-etinye aka na-ebugharị mgbanwe mgbanwe ike, ma nwee ike inye aka mee mgbanwe ahụ.Iji bụrụ onye na-eweta capacitor zuru ụwa ọnụ, CRE nọ n'ihu na mgbanwe nchekwa ike.Ka anyị chọpụta otú anyị si agbanye ókè nke ihe nwere ike ime.