Chovala chozungulira chozungulira ndi chida chopangidwa mwaluso kwambiri chomwe chimapangidwa kuti chiziyenda bwino pamagwiritsidwe ntchito ovuta. Chizindikiro chake ndi kuthekera kwake kodzigwirizanitsa. Zimangokhalira kuwongolera zolakwika pakati pa shaft ndi nyumba, zomwe zimayambitsidwa ndi zolakwika zokwera, kutsika kwa shaft, kapena kukhazikika kwa maziko (nthawi zambiri mpaka 1.5 ° - 3 °). Kuthekera kwapaderaku kumawapangitsa kukhala yankho labwino pamapulogalamu onyamula katundu wolemetsa, kugwedezeka, ndi malo omwe kusinthasintha kwina sikungalephereke.

Chovala chozungulira chozungulira ndi chida chopangidwa mwaluso kwambiri chomwe chimapangidwa kuti chiziyenda bwino pamagwiritsidwe ntchito ovuta. Chizindikiro chake ndi kuthekera kwake kodzigwirizanitsa. Zimangokhalira kuwongolera zolakwika pakati pa shaft ndi nyumba, zomwe zimayambitsidwa ndi zolakwika zokwera, kutsika kwa shaft, kapena kukhazikika kwa maziko (nthawi zambiri mpaka 1.5 ° - 3 °). Kuthekera kwapaderaku kumawapangitsa kukhala yankho labwino pamapulogalamu onyamula katundu wolemetsa, kugwedezeka, ndi malo omwe kusinthasintha kwina sikungalephereke.