Gọọfụ PE anyị nwere ike ịtụfu nwere akwụkwọ ndebanye aha ngwaọrụ ahụike.Emebere ya maka ojiji ọkachamara iji chekwaa aka gị.Gụnyere nchebe kwa ụbọchị na nlekọta ahụike.Ọ nwere ike iji maka ịdị ọcha ahụike.