Ibisobanuro bigufi:

Imashini ya firigo yihariye itanga impano nziza kubwimpamvu zitandukanye. Ikintu kimwe, birahenze cyane. Birashimishije kandi; waba wahisemo igishushanyo mbonera cya firigo yamashusho muburyo wahisemo ， cyangwa kuri kimwe mubyo twahisemo mbere, ibi ni ibishushanyo bigaragara rwose imbere ya frigo.