Manipler huzuye uruhu nibikoresho byingenzi mubice byubuvuzi, cyane cyane mubikorwa byo kubaga no gufunga ibikomere. Ibi bikoresho byagenewe gufunga neza ibikomere, bitanga ubundi buryo bufatika kuri suture gakondo. Gusobanukirwa ibiranga n'inyungu zabo birashobora kuzamura cyane ibisubizo by'amavuriro no kunoza ubuvuzi bw'abarwayi. Umumaro wambere Bya a S