Cone okporo ụzọ
Enwere ike iji cones okporo ụzọ nchekwa na mpaghara nkeonwe ma ọ bụ ọha, dị ka ogige, ebe a na-adọba ụgbọala, okporo ụzọ, square. Mepụta ebe ịkpachara anya n'okporo ụzọ awara awara gị ma ọ bụ mechie ebe ụmụaka na-egwu egwuregwu n'okporo ụzọ ma ọ bụ ebe egwuregwu.