Ibyuma bizunguruka bigizwe n'impeta y'imbere ifite inzira ebyiri zo gusiganwa ku ruhande rugana ku murongo w'inyuma, impeta y'inyuma ifite inzira isanzwe yo gusiganwa ku mpande, ibyuma bizunguruka, utuzu, kandi, mu buryo bumwe na bumwe, harimo n'impeta z'imbere cyangwa impeta zo hagati. Izi mibindi bishobora kandi gufungwa. Ibyuma byinshi bizunguruka bigizwe n'imirongo ibiri y'imyenge, bigatuma bitwara imizigo iremereye cyane n'imitwaro iremereye yo ku ruhande. Hariho kandi imiterere ifite umurongo umwe w'imyenge, ikwiriye imitwaro mito y'imyenge kandi nta mutwaro wo ku ruhande.
Ibyuma by'imashini zikora impapuro ni ibice by'imashini zikora impapuro.
Imashini zifata impapuro, ari zo zifata impapuro zuzuye amavuta yihariye akomeye atanga amavuta ahoraho yo gusiga amavuta igihe kirekire.
Imiterere y'imigozi izunguruka ni yo yiganjemo imiterere, cyane cyane iyo uhisemo imigozi minini n'iciriritse.
