> Igifuniko cya reberi, gikozwe mubikoresho birwanya imiti, bifite imiti irwanya imiti kandi bifite umubiri mwiza.
> Yakozwe muburyo bwihariye bwo gukoresha ibikoresho byashonga, kwagura cyangwa kwangiriza umukandara.
> Birakwiriye kohereza ibikoresho bifite imiti yangirika munganda zikora imiti, inganda zifumbire mvaruganda, uruganda rwimpapuro, inganda zicukura amabuye y'agaciro, nibindi.
