Kuzamuka bikozwe muri 3mm yuburebure bwa kare, mugihe iyindi miyoboro ikoresha uburebure bwa 2,5mm, ikemeza ituze kandi yizewe mugihe ikoreshwa.
Sisitemu yo gushushanya ya CENTER-BASED ishingiye kubikenewe gukosorwa hasi gusa, kwemerera gushyirwa hagati yikigo cyangwa koridor.Yubatswe ku bubiko bwinshi bwo kubika, iragabanya imyitozo itandukanye ikora hamwe nogukoresha umwanya.
