Imyironge rw'impapuro zikongerera zirimo:
Ab umwironge - 5 ibice . umubyimba ni 8mm
Kuba umwironge -5 ibice, umubyimba ni 5mm
Umwironge -3 resimine, ubunini ni 5mm
C umwironge -3 repleers, ubunini ni 4mm
B umwironge -3 repleers, ubunini ni 3mm
E umwironge -3 repleers, ubunini ni 2mm
F flite -3 ayers, umubyimba ni 1mm