Kufotokozera kwaifupi:

Kudula kwa rotator ndi chowongoletsera chatsopano chokhala ndi mphamvu ya hydraulic kwathunthu ndi kufalitsa, ndi kuphatikiza kwa makina, mphamvu ndi madzi. Ndiukadaulo watsopano komanso wopambana komanso wothandiza kwambiri. M'zaka zaposachedwa, imakhazikitsidwa kwambiri m'mabuku monga momwe zidalilimo zamizinda, zingwe zopangira dzenje lakuya, ndi mizere yothamanga, komanso mphamvu zomangamanga, komanso zolimbitsa thupi zosungika.