Igicuruzwa gishyushye gishyushye gihagaze Gutandukanya ibice bya Rack

–Icyuma gikata umwobo n'umubare
–2.5mm ibyuma 60 × 60 mm ikadiri
–1 couple ya J-ibikombe
- Ikirangantego kirahari
–Ibara ry'amabara Umukara / Ubururu / Umutuku / Icyatsi
 
Ibipimo
Uburebure bwa mm 1850