Gupakira ibikomoka ku mata bigomba kuba bifite inzitizi, nko kurwanya ogisijeni, kurwanya urumuri, kurwanya ubushuhe, kugumana impumuro nziza, kwirinda impumuro, n'ibindi… Menya neza ko bagiteri zo hanze, umukungugu, imyuka, urumuri, amazi n’ibindi bintu by’amahanga bidashobora kwinjira mu gikapu cyo gupakira. , kandi kandi urebe ko amazi, amavuta, ibice bya aromatiya, nibindi bikubiye mubikomoka ku mata bitinjira hanze; Muri icyo gihe, ibipfunyika bigomba kugira ituze, kandi ibipfunyika ubwabyo ntibigomba kugira impumuro, ibice ntibigomba kubora cyangwa kwimuka, kandi bigomba no kuba bishobora kwihanganira ibisabwa byo guhagarika ubushyuhe bwo hejuru no kubika ubushyuhe buke, kandi bikagumana umutekano muke hejuru nubushyuhe buke butagize ingaruka kumiterere yibikomoka ku mata.