ସିଟି
Ubwoko bwinshi hamwe nizunguruka ryamapine, bikwiranye no gusenya amapine ya santimetero 12-24, byoroshye kurangiza kuzenguruka ipine ya dogere 360, ipine ryogusunika-gukurura amaboko ipine, ipine ya tirepressure ipine ihujwe hamwe, birinda neza umutwe winyoni gutobora amapine hamwe nugusunika gukwega kuzamura ipine kugirango bigufashe gukemura byoroshye ikibazo cyikibazo kidakwiriye cyo gukosora amapine adasobanutse neza.