Gufunga impera impumyi ni ubwoko bushya bwimpumyi yihuta.Rivet ifunze ntabwo ifite gusa ibiranga gukoresha byoroshye, gukora neza, urusaku ruke, kugabanya ubukana bwumurimo nibindi, ariko kandi ifite ibimenyetso biranga imikorere myiza yo gufunga umuhuza kandi nta ngese iri mumurongo wa rivet ifunze nyuma yo kuzunguruka .