Igomba gukoreshwa kumisatsi yumye, kandi imbaraga zinyeganyeza mbere yo gukoreshwa.
Kanda umutwe hanyuma utere ubukana nka santimetero 15-20 uhereye kumisatsi.
Kureka hafi iminota 1 kandi iyo byumye, unyurwe.
Koza umusatsi mbere yo kuryama no kugarura umusatsi wumusatsi wumwimerere.