1. Palibe chubu la mchira, chubu limodzi ndi mawonekedwe amodzi.
2. Mawonekedwewa ndi mawonekedwe a flathead shaft single interface, omwe ndi osavuta kuyeretsa, amatha kugwiritsidwa ntchito mopanikizika, ndipo amakhala ndi makina amodzi.
3. Pulasitiki osasunthika kusintha kusintha, palibe kumamatira kapena kumata, kupangitsa kuti ntchitoyo ikhale yolondola.