Aosite, kubvira 1993
Rudzi rwegasi chitubu chine hurefu hwakareba munzvimbo yemahara (diki sitiroko), uye inogona kudzvanywa kusvika kudiki kureba (huru stroko) mushure mekuiswa pasi pekumanikidzwa kwekunze kwakakura kupfuura kusimudzira kwayo. Iyo yemahara-rudzi rwegasi chitubu chine chete yakamanikidzwa mamiriro (mhando mbiri dzekumanikidza kwekunze uye yemahara mamiriro), uye haigone kukiya pachayo panguva yekurova kwayo. Iyo yemahara-rudzi rwegasi chitubu chinonyanya kuita basa rekutsigira. Nheyo yemahara-rudzi rwegasi chitubu ndechekuti iyo yekumanikidza chubhu yakazadzwa ne-high-pressure gasi, uye pisitoni inofamba ine neburi rekuona kuti kudzvanywa muhubhu yehuputi hakushanduke nekufamba kwepiston. Simba guru rechitubu chegasi ndiko mutsauko wekumanikidza pakati pechubhu yekumanikidza uye yekunze kwemhepo yemhepo inobata pachikamu chemuchinjikwa wepiston tsvimbo. Sezvo mhepo yekumanikidza muchubhu yekumanikidza haina kuchinjika, uye chikamu chemuchinjikwa chepiston tsvimbo chinoramba chiripo, simba rechitubu chegasi rinoramba riripo panguva yekurohwa kwese. Zvitubu zvegasi zvemahara zvakashandiswa zvakanyanya mumotokari, muchina wekuvaka, muchina wekudhinda, machira, muchina wefodya, michina yemishonga uye mamwe maindasitiri nekuda kwekureruka kwawo, basa rakagadzikana, kushanda kuri nyore, uye mitengo yakasarudzika.