Magudumuwo ndi chitsulo cha cylindrical chomwe chili pakati pa shaft yomwe imathandizira mawonekedwe amkati a tayala.Amatchedwanso mawilo, zitsulo zachitsulo, magudumu, ndi mabelu a matayala.Pali mitundu yosiyanasiyana ya mawilo kutengera mainchesi, m'lifupi, njira yopangira, ndi zinthu.
Werengani zambiri