Noneho Ubushinwa bwambere bwa Spiral Compal yakoreshejwe kandi nuburyo bwo kurwanya ubukene, kwitwa "umuvuduko mwinshi wo guhagarika ubukene, {}} Mu gisekuru cya Leta gitangwa mu bice cyangwa ku giti cye gitangwa mu cyaro cyangwa ku giti cye uturere . Urashobora kwakira ingaruka z'ibuye rimwe n'inyoni eshatu, fasha abakene,}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} shusho shi zongli kurwanira amateka yiterambere mu iterambere ry'Ubushinwa mu iterambere ry'Ubushinwa Inganda zibangamira inganda za spitry .
Hari mu ntangiriro z'iki kinyejana ko bashizeho abakora bateri ikwiranye na bateri ikwiranye n'amaso ya ba rwiyemezamirimo bahuye na bateri ya mbere y'inganda zabanjirije iyi bateri zikoreshwa mu nganda . birumvikana, bahuye n'ibibazo nyuma yabo ibikorwa, ariko ntidushobora kuvuga gusa ku ntwari mu gutsinda cyangwa gutsindwa, kandi dukwiye kumenya ibigo byabo byamateka. ibyo byakuze, kandi nabwo byavanyweho mumarushanwa yisoko .
