Shawa yozungulira yokhazikika yokhala ndi mutu wa shawa wosinthika, chogwirira cha shawa yogwira ntchito 3, bulaketi yotsetsereka yotsetsereka ndi payipi yosunthika ya 1.5meter muzitsulo zakuda zosapanga dzimbiri ndi payipi yosinthika ya 0.5meter yolumikizana ndi mpopi.