Guhumeka gukoresha urugo ni ibikoresho byubuvuzi byagenewe gufasha abantu bafite ikibazo cyo guhumeka kubera ubuzima butandukanye. Izi mashini zifite uruhare runini mugucunga ibibazo byubuhumekero, gutanga inkunga ikenewe kubarwayi muburyo bwamazu yabo. Gusobanukirwa uko ibyo bikoresho bikora n’inyungu zabyo ni iby’ingenzi ku muntu wese utekereza ku bikoreshwa cyangwa gufasha umukundi