Sisitemu yo guhagarika pariki ya Bi-Directional (BDP ikurikirana), izwi kandi nka sisitemu yo guhagarika puzzle, yatangijwe bwa mbere mu Bushinwa mu ntangiriro ya za 1980, kandi yatejwe imbere kandi inozwa cyane n’abashakashatsi ba Mutrade mu myaka icumi ishize. ...
Ibyiza bya parikingi yinzego nyinshi Mu kiganiro cyabanjirije iki, twaganiriye ku bijyanye na sisitemu yo guhagarara mu nzego nyinshi, impamvu iyi parikingi ishobora gufasha mu kuzamura ibikorwa remezo by’imijyi minini ku isi, yasobanuye ...