Ahụ ụgbọala nkịtị nwere ogidi atọ, ogidi ihu (ogidi A), ogidi etiti (ogidi B), ogidi azụ (ogidi C) site n'ihu ruo azụ. Maka ụgbọala, na mgbakwunye na nkwado, ogidi ahụ na-arụkwa ọrụ nke etiti ọnụ ụzọ.
Ogidi ihu bụ ogidi njikọ aka ekpe na aka nri nke na-ejikọ elu ụlọ na ụlọ dị n'ihu. Ogidi ihu dị n'etiti ebe injin na cockpit, n'elu enyo aka ekpe na aka nri, ọ ga-egbochikwa akụkụ nke mbara ihu ntụgharị gị, ọkachasị maka ntụgharị aka ekpe, yabụ a ga-atụle ya nke ọma.
A ga-atụlekwa akụkụ nke kọlụm ihu na-egbochi anya onye ọkwọ ụgbọala mgbe a na-atụle geometry kọlụm ihu. N'ọnọdụ nkịtị, ka ahịrị anya onye ọkwọ ụgbọala na-agafe kọlụm ihu, akụkụ anya nke mkpokọta bụ ogo 5-6, site na nkasi obi onye ọkwọ ụgbọala, ka akụkụ anya nke obere, ka mma, mana nke a gụnyere ike nke kọlụm ihu, ọ bụghị naanị inwe nha geometric ụfọdụ iji nọgide na-enwe ike dị elu nke kọlụm ihu, kamakwa iji belata mmetụta nke mkpọchi anya nke onye ọkwọ ụgbọala, bụ nsogbu na-emegiderịta onwe ya. Onye nrụpụta ga-agbalị ịhazi ha abụọ iji nweta nsonaazụ kacha mma. Na ihe ngosi ụgbọ ala mba ụwa nke North American nke afọ 2001, Volvo nke Sweden wepụtara SCC ụgbọ ala echiche kachasị ọhụrụ ya. A gbanwere kọlụm ihu ka ọ bụrụ ụdị doro anya, nke ejiri iko doro anya kpuchie ka onye ọkwọ ụgbọala wee nwee ike ịhụ ụwa mpụga site na kọlụm ahụ, ka e wee belata ntụpọ anya nke ubi ọhụụ ruo na opekempe.
