Imirongo ibiri yapanze ibyuma bifite imiterere ibiri. Impeta ebyiri zambukiranya impeta imbere hamwe no kuzunguruka umubiri hamwe niteraniro, ibice bibiri bigizwe nimpeta yo hanze. Ubwoko bubiri bw'impeta y'imbere hamwe n'umuzingo uzunguruka hamwe n'iteraniro ry'akazu, impande zose z'umuhanda wo hanze impeta.