urwa nisesengura rigezweho hamwe niterambere murwego rwa hose ferrules. Ibikoresho bishya, ibishushanyo mbonera byongerewe imbaraga, hamwe nubushobozi bwongerewe ubushobozi burahora butangizwa, biha ubucuruzi amahirwe yo kunoza imikorere yabo no kunguka irushanwa.