chitsulo chosungunukavalavu yozungulira yozungulira

Valavu yozungulira yachitsulo chopopera ndi valavu yolowera mbali imodzi yomwe imayikidwa pamalo otulukira payipi yotulutsira madzi ndi ntchito zotulutsira madzi ndi ntchito zotsukira zinyalala. Imagwiritsidwa ntchito kudzaza kapena kuyang'ana malo osungira madzi, ndipo ingagwiritsidwenso ntchito pa zophimba zosiyanasiyana za shaft. Malinga ndi mawonekedwe ake, chitseko chozungulira ndi chitseko chopopera cha sikweya zimapangidwa. Valavu yozungulira yachitsulo chopopera imakhala ndi thupi la valavu, chivundikiro cha valavu ndi gawo la hinge. Mphamvu yake yotsegulira ndi kutseka imachokera ku kuthamanga kwa madzi ndipo sifunikira kugwiritsa ntchito pamanja. Kuthamanga kwa madzi mu valavu yopopera ndi kwakukulu kuposa komwe kuli kunja kwa valavu yopopera, ndipo imatseguka. Kupanda kutero, imatseka ndikufika pa kutuluka ndi kuyimitsa.