Ibikoresho byumwaka bifite teeh hejuru yimbere ya rm .Ibikoresho byimbere bihora bifatanye nibikoresho byo hanze.
Iyo ushushanyije ibyuma bibiri byo hanze, kuzunguruka bibaho mubyerekezo bitandukanye. Iyo ushushanyije ibikoresho byimbere hamwe nibikoresho byo hanze bizunguruka bibaho muburyo bumwe.
Ugomba kwitondera kubijyanye numubare w amenyo kuri buri bikoresho mugihe ushushanya ibikoresho binini (imbere) hamwe nibikoresho bito (byo hanze), kubera ko ubwoko butatu bwo kwivanga bushobora kubaho.
Mubisanzwe ibikoresho byimbere bitwarwa nibikoresho bito byo hanze.
Emerera igishushanyo mbonera cyimashini.