IECHO sisitemu nshya yo gukata BK4 ni iy'igice kimwe (ibice bike) gukata, irashobora gukora kubikorwa byikora kandi neza, nko kubicamo, gusya, V groove, gushyira akamenyetso, nibindi. Irashobora gukoreshwa cyane mubikorwa byimbere yimodoka, kwamamaza, ibikoresho byo murugo hamwe nibindi, nibindi sisitemu yo gukata BK4, hamwe nibisobanuro bihanitse kandi ikora neza, itanga ibisubizo byikora byinganda zinganda zitandukanye.