Hano hari ingano ebyiri za "U" 0.39m ikoreshwa mubugari bumwe na 0.32m
Dukoresha kuki kugirango dutange uburambe bwo gushakisha, gusesengura urujya n'uruza rukora uruganda, no kugiti cyawe. Ukoresheje uru rubuga, wemera gukoresha kuki.
