1. Zida zazikuluzikulu zamagetsi ndi kusintha kwama hydraulic zili ndi zida zotumizidwa kunja;
2.Sankhula zokhazokha zokhazokha ndikutsitsa ntchito, zosavuta kuzimitsa ndi kuzisonkhanitsa;
3. Zida zosalimba ndi zomangika pamakina onse ndizodzipangira zokha, komanso kapangidwe kapangidwe kake, komwe kumakhala kosavuta ndikukonzekera mtengo wotsika;