Primary Function: Ikibindi cy'indabo Bumpy ni ikibindi cy'indabo cyakozwe mu birahure gishushanyijwe kugira ngo gifate indabo kandi gikore nk'igikoresho cyo mu nzu. Iki kibindi cyahuhwe n'umunwa kandi gishushanyijwe n'ibiganza n'abahanga bakora mu birahure muri Polonye. Ibimenyetso by'ibirahure bibi bishyirwa ku mpera, aho bikora nk'imitako kandi bikibutsa uko urubura rushonga rusa. Amabara atuje yo mu buryo bwa Scandinaviya atanga iki gikoresho imico ihuje neza. Ishusho yoroshye ikwiranye n'igikingi cy'idirishya, ameza y'iruhande cyangwa ameza y'ifunguro. Bumpy ifata ishami rimwe ry'indabo kandi isa n'iyuzuye n'ubwo isigaye ubusa.

Izina ry'umushinga : Bumpy, Izina ryabashushanya : Sini Majuri, Izina ry'abakiriya : Sini Majuri.

Soma ibiganiro biheruka n'ibiganiro kubijyanye no gushushanya, guhanga no guhanga udushya hagati yumunyamakuru wubushakashatsi hamwe nabashushanyo bazwi kwisi yose, abahanzi nabubatsi. Reba ibishushanyo mbonera bigezweho hamwe n'ibihembo byatsindiye ibihembo byabashushanyo bazwi, abahanzi, abubatsi n'abashya. Menya ubushishozi bushya kubijyanye no guhanga, guhanga udushya, ubuhanzi, igishushanyo mbonera. Wige ibijyanye nigishushanyo mbonera cyibishushanyo mbonera.