1. Ikhoza kupachikidwa pa sinki, yoyenera kusungira matawulo, mipira yotsukira ndi zinthu zina zakukhitchini 2. Kapangidwe kosinthika, kusunga thanzi ndikupewa kukula kwa mabakiteriya 3. Zipangizo za kukhitchini zapamwamba komanso zotsika mtengo