Ibisobanuro ku bicuruzwa:
1.Imirongo ibangikanye iraguka hanze, umwanya utandukanye kugirango uhuze ibyifuzo byabakoresha uburebure butandukanye.
2.Byoroshye guhindura no kubika.Iyo bidakoreshejwe, latch irashobora gukururwa no guhagarikwa neza kandi ikabikwa kumurongo nyamukuru.
