Pankhaniyi, nthawi zambiri pali njira ziwiri zothetsera vutoli:
1: Kukula kwa dzenje pamwamba pa bolodi kungakulitsidwe, ndipo dzenje lomwe lili pa chubu cha m'mbali mwa pansi lingakulitsidwe.
2: Bowo la pansi limatsegulidwa ndi bowo la pansi lokhala ndi mawonekedwe amakona anayi, zomwe zingathandize kuthetsa vuto la kusakhazikika bwino.
Nthawi yotumizira: Juni-30-2022
