Usibye ubwiza bwabo bwiza, ibyo bikoresho byo kumeza byabugenewe byakozwe muburyo bwo gutekereza. Ni microwave hamwe nogesheza ibikoresho, bikoroha kubikoresha burimunsi. Amashanyarazi adafite uburozi, adafite isasu yemeza ko ibiryo byawe bigumana umutekano kandi byiza. Waba utegura ibirori byo kurya cyangwa kwishimira ifunguro risanzwe hamwe numuryango, ibi bice bitanga uburinganire bwiza bwubwiza nibikorwa. Ibikoresho byabo byiza kandi bituma bahitamo impano nziza kumuryango ninshuti mugihe kidasanzwe