Kuberako aya masoko yo mu bwoko bwa B akorwa mubwinshi, afite ubukungu bwo kugura kuruta kongera gutunganya ibicuruzwa biva mu bubiko, hamwe no kurambirana, no gushyiraho inzira nyabagendwa.Bore yarangije kuboneka iraboneka kubwoko bwa “B” aho hub igaragarira kuruhande rumwe.