Avoka nta ndwara zikunze kugaragaza, keretse izishobora kugaragarira muri pepiniyeri nko kurabirana, ibyo bikaba biterwa no gukoresha ibibuto byanduye, bigatuma bimerana uburwayi; mu guhumbika tugomba guhitamo neza ibibuto bizima byatunganyijwe neza.