Kursiga hore ee madaxa kubbadda iyo madaxa qaybta kubbadda madaxa ee wadajirka dhabta ah
Kubadda madaxa kursiga hore iyo madaxa qolofka madaxa dhinaca wadajirka dhabta ah, iyo cirbadda rogid ee u dhaxaysa usheeda dhexe ee isteerinka in a spherical jeexdin kubbadda madaxa block godka, ayaa hoos u dhigay madaxa kubbadda, hagaajiyo madaxa kubada xidheen usheeda dhexe guryaha xajinta waa kubbadda kubbadda madaxa madaxa, madaxa ayaa u rogi doona madaxa ul madaxa oo leh qolof madaxa kubbadda, madaxa madaxa oo leh kubad geeseed wareegsan oo shaft ah, cirbadda madaxa kubbadda inta u dhaxaysa isteerinka usheeda dhexe ee kubbadda madaxa daloolka, Yaree afafka madaxa kubbadda oo wanaaji guryaha xajinta wareega
Madaxa kubbadda usha jiid waa madaxa usha jiidka madaxa, leexinta kubbadda madaxa ul kubbadda madaxa, kubbadda madaxa iyada oo loo marayo kursiga madaxa iyo qolofka madaxa ayaa daboolaya cidhifka dibadda ee godka shafka, kursiga madaxa kubbadda iyo usha isteerinka ee dhexda ee irbadda la geliyo kubbadda madaxa godka godka dushiisa, iyada oo la yareynayo dabacsanaanta irbadda, hagaajinta caabbinta shaqada ee xannibaadaha kordhay ee lagu dhejiyay usha isteerinka, xorriyadda usha, ballaarinta Ku dheji labada daraf ee usha isteerinka, kordhinta xorriyadda ee usha, yareeyo xidhashada
Madaxa kubbadda guud ee baabuurka ayaa ka ciyaari doona door gaar ah, mid ka mid ah doorka ugu muhiimsan, taas oo ah in lagu xiro xargaha iyo bararka dheelitirka, sidaas darteed waxay ciyaari doontaa ganaax baabuurka iyo wareejinta xoogga dheelitirka.Doorkan waxaan filayaa in uu aad u wanaagsan yahay, labada taayir ee bidix iyo midigna ay isku waddo soo maraan, haddii aanay sinnayn, maxbuuska gaadhigu waxa uu gaadhiga ku hayn doonaa dhinaca ka soo horjeeda si uu u dhawro xaalad siman, taas oo ah in uu ka hortago iska caabinta, uu joojiyo rogrogmada jidhka.Barta dheelitirku waa jilicsan tahay oo adagtahay kaliya marka ay shaqeyso, maxaabiistu waxay sidoo kale door ka ciyaaraan darawalnimada.