Ubwino wa Zamankhwala;
1) Lingaliro labwino kwambiri, makamaka pakhomo lopanda chete.
2) Plunger yopangidwa ndi umunthu, ngakhale itawululidwa yayifupi bwanji, yosavuta kuitulutsa ndikusintha.
3) Kuchita bwino kosalankhula;makina onyamulira sangamveke ngati akugwiritsa ntchito.
4) Makina onyamula amtundu wa Cladding, osamveka bwino komanso osindikiza.Mzere wosindikizira wamtundu wa D wopanda mapiko umathanso kusankhidwa kuchipinda choyeretsa, chipinda chogwirira ntchito ndi zofunikira zina zachilengedwe.
5) M'kati mwa mipiringidzo inayi yolumikizira makina, mayendedwe osinthika, mawonekedwe okhazikika, mphamvu yolimbana ndi mphepo.
6) Kuyika kosiyanasiyana, kuyika mabatani, kumathanso kutulutsa makina okweza kuti akhazikitse pamwamba pa khomo pansi.
7) Mlandu wamkati ukhoza kujambulidwa yonse, yabwino kukhazikitsa ndi kukonza.
8) Chosankha chotsutsana ndi mikangano batani chigawo, thupi lalikulu likhoza kukhazikitsidwa pasadakhale, koma silingagwiritsidwe ntchito mwachizolowezi, pambuyo pa kutha kwa polojekiti kapena kuthetsa mkangano, akhoza kuikidwa mwachindunji mu gawo la batani, kugwiritsa ntchito kusintha kwabwino. .Zosavuta komanso zosavuta.