Sistemụ Casing Symmetric nwere Wings

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• Oke ngwa

Ọ dabara adaba maka igwu mmiri n'ebe a na-emepụta nkume dị oke ibu ma chọọ tube casing iji kwado ya

• Uru pụtara ìhè

Ọdịdị dị mfe, ọrụ dị mfe, àgwà a pụrụ ịdabere na ya, ngwá ọrụ egwu egwu na-emegharị, na ogologo ndụ ọrụ.

• Ọdịdị dị iche iche

Usoro nhazi nke nwere mgbanaka mgbanaka, na nku na na ngọngọ.

• Usoro ọrụ
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• 1. Mgbe mkpọpu mmiri na-amalite, nku na-apụ apụ, na-atụgharị iji kwọba akpụkpọ ụkwụ casing na tubes n'ime oghere.
• 2. Mgbe agwụchara ngwungwu na nkume ndị na-ebu ibu, gbanwee ngwá ọrụ ndị na-egwupụta ihe na nku ga-emechi, na ngwá ọrụ ndị na-egwupụta ihe nwere ike ịmalite site na oghere.
• 3. Enwere ike ịgbaso ihe owuwu ọzọ.