Chidebe chowunikira, monga momwe dzinalo likusonyezera, ntchito yake yayikulu yosiyana ndi zidebe zina ndikuwunika. Kuyang'ana ntchito zazikuluzikulu zowunikira chidebe kulola kulekanitsa miyala ndi nthaka kumakhala kosavuta.Gawo lalikulu la chidebe chowonera ndi chodzigudubuza. Masamba amitundu yosiyanasiyana amawotcherera pa chogudubuza kuti azindikire ntchito zosiyanasiyana, monga kuwunika, kuphwanya, kutulutsa mpweya wosakanikirana, etc. ntchito yowunikira imazindikiridwa ndi wodzigudubuza.
Chidebe choyang'anira chimatha kuyang'anira zotsalira zomanga ndi dothi loipitsidwa kuti lilekanitse dothi loyera ndi miyala ya simenti. Dothi loyera limagwiritsidwa ntchito mwachindunji kubweza kapena kumanga, ndipo miyala ya simenti imatha kugwiritsidwanso ntchito ngati zomangira.