1. Ulendo wopititsa patsogolo ndi wokulirapo, ndipo maulendo apamwamba opititsa patsogolo amatha kufika mamita 2, zomwe zimakhala zopindulitsa kwambiri pakugwira ndi kuyika zinthu zapamwamba;
2. Ntchito yosinthika kwambiri, kudalira kukwezedwa kwa chingwe chachitsulo, mphamvu yogwira ntchito bwino ndiyosakwana 3KG, zolumikizira zosinthasintha;
3. Utali wokulirapo wogwirira ntchito, utali wokhazikika wogwirira ntchito wa mita 3, ndi kuchuluka kwa ntchito;
4. Kuwongolera kwa pneumatic kumakhala kosavuta, ndipo mabatani onse ogwiritsira ntchito amayikidwa mu bokosi lolamulira la chogwirira, chomwe chingagwiritsidwe ntchito ndi dzanja limodzi;
5. Njira yapadera yonyamulira, pogwiritsa ntchito silinda kapena pneumatic balance gourd mkati mwa mkono waukulu, kuyendetsa chingwe chomangirira, kuti chikweze.
1. Chipangizo chotetezera mpweya wosweka, kuteteza zipangizo kuti zisagwe pambuyo pa chiyambi cha kupuma kwa mpweya, kuonetsetsa kuti ntchito yomwe ilipo;
2. Kuwonetsa kukakamiza kwa ntchito, kuwonetsa momwe ntchito ikugwirira ntchito, ndikuchepetsa kuopsa kwa zida;
3. Chipangizo chachitetezo cha brake, kupewa kusinthasintha kwa zida zopangidwa ndi mphamvu zakunja, kuonetsetsa kuti ntchito yotetezeka;
4. Njira yonse yoyendetsera ntchito kuti izindikire magwiridwe antchito osasangalatsa komanso kupereka kulondola kwa zida.