Kora icyicaro cyumusarani wububiko bwicyuma kugirango uhitemo mbere, mubyukuri kugirango ubone uruganda rwububiko, isosiyete ya Leiao itanga umusaruro wubwiherero bwubwiherero bwubwonko muri rusange ukoresheje ibikoresho bya PP cyangwa ABS, kurangiza hejuru ni hejuru, ntibishobora kugira impande zombi, ibyuma muri Suwede s136 cyangwa Ubuyapani Datong NAK80 ibyuma, guteranya ibicuruzwa ni byinshi cyane, bigomba gukoresha imashini yihuta yihuta ndetse na axis 5 axis yihuta yo gutunganya.Ariko uko ibumba ryiza, niko bisabwa kubungabunga, Fata ubwiherero bwabayapani TOTO bwakozwe nububiko bwa Leiao na Panasonic nkurugero, ubwiherero bwubwiherero bwubwenge bwakoreshejwe igihe kirekire butabungabunzwe neza, gufata neza ibishushanyo ugereranije no kutabungabunga, birashobora kubona igihe kirekire cyumurimo, igipimo cyo kunanirwa no gutanga umusaruro mwinshi, kubicuruzwa bitunganya inshinge nuburyo bwiza cyane bwo kugabanya ikiguzi, kongera imikorere.