I beam igice cyicyuma gifite imbaraga nuburemere bukomeye, gukonjesha gukonje no gusudira mumyubakire miremire, ibiraro nizindi nyubako zicyuma, ibipimo byambukiranya ibice, kugenzura ubuziranenge bwubutaka nibyiza, bikoreshwa cyane mubikorwa byinshi byo gukora ibinyabiziga , kubaka ibiraro binini, gukora imashini, n’inganda zindi.