Igishushanyo cy'Imbere mu Biro Oak ni ibiro byihariye byashushanyijwe ku bw'ugusoma no kuruhuka mu ngoro y'icyicaro cy'abaturage. Icyumba kigizwe n'uburebure bwa metero 8.5, ubugari bwa metero 7.5 n'uburebure bwo hejuru bwa metero 6. Inkuta hamwe na za shelufu z'ibitabo ziriho ibyiciro bibiri byuzuyemo amapane y'igiti cy'imikoni (oak) yasizwe irangi ry'ikoni ryijimye, byuzuyemo n'ibisobanuro by'umuringa. Agace ko kwicara hamwe n'aho umuriro ucanwa bigize agace gashyushye kandi gakomeye ko gusoma. Ameza y'ibiro y'imyandiko yakoze imyaka myinshi n'imashini z'urumuri z'umuringa za kera zuzuza uburyo bwa gakondo bw'Icyongereza, bikaba bituma icyumba kigira imiterere y'amahoro n'iyibutswa ry'ibihe byashize.
Izina ry'umushinga : Oak, Izina ryabashushanya : B5 Design, Izina ry'abakiriya : B5 Design.
Igishushanyo cyiza nuwatsindiye igihembo cyumuringa mumwanya wimbere no mumarushanwa yo gushushanya. Ugomba rwose kubona umuringa watsindiye ibihembo byabashushanyo mbonera bya portfolio kugirango umenye ibindi byinshi bishya, bishya, byumwimerere kandi bihanga imbere imbere hamwe nibikorwa byo gushushanya.