Amagwiritsidwa ntchito kunyamula katundu wozungulira. Ngakhale mutanyamula katundu wozungulira, imathanso kunyamula pang'ono axial katundu, koma nthawi zambiri siyikhala ndi axial yoyera. Kuthamanga kwake kotsika ndikotsika kuposa kwa mayendedwe akuya a poyambira.
Mitundu yamtunduwu imagwiritsidwa ntchito pamitengo yothandizirana kawiri yomwe imakonda kugwada pansi, komanso m'malo omwe coaxiality okhwima sangatsimikizidwe ndi mabowo awiri onyamula, koma malingaliro apakati a mphete yamkati ndi chapakati pake mphete yakunja isapitirire digiri zitatu.
Makina oyimitsira mpira okha ndioyenera kumafakitole monga katundu wambiri komanso katundu wododometsa, zida zolondola, magalimoto opanda phokoso, magalimoto, njinga zamoto, zitsulo, mphero, migodi, mafuta, kupanga papepala, simenti, kutulutsa shuga, ndi makina ambiri.
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Nato poyambira Mpira Kuchitira
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Tapered wodzigudubuza mayendedwe
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Mipira yolimba yozungulira
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Ozungulira Kuchitira
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Mayendedwe okhota kukhudzana mpira
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Tambasulani zimakhudza wodzigudubuza