Makina othamangitsa ma waya owotchera mauna a mafakitale ndioyenera waya wa 2.5-6mm, waya wa 3-8mm, ndi waya wa 4-12mm wachitsulo. Chingwe cholumikizira chimatha kukhala choluka ndi thumba lamanja, zingwe zamagetsi zikudyetsa ma waya amtundu basi.
Chingwe chopangira mauna chimatengera mphamvu yamphamvu yamagetsi yowongolera kuwotcherera, ili ndi maubwino ochepera kulephera, magwiridwe antchito, kuthamanga kwambiri, kugwiritsa ntchito mphamvu zochepa, kuthetheka kocheperako, kukhazikika, etc.