Waya Wachitsulo Wakuda, womwe umagwiritsidwa ntchito pamakina owongolera okhazikika, makina odziyimira okhawokha okhazikika, makina owongolera, ndi zina zambiri, nthawi zambiri timalimbikitsa makasitomala kuti agwiritse ntchito waya wachitsulo wachiwiri, chifukwa njira yolumikizira imapangitsa waya wotayika pakujambula kuchira. kusinthasintha kwina, kuzipangitsa kukhala zofewa, zosavuta kuthyoka, zosavuta kuzipotoza.