1. Shaft-headed shaft, single-chubu ndi mawonekedwe amodzi, amatha kugwiritsidwa ntchito mopanikizika, ndipo ali m'malo ndi makina amodzi.
2. Kukonzekera koyenera ndi mamita 5, ndipo chitoliro chokwera kwambiri chimamangidwa muzitsulo zochepetsetsa kuti ziwonjezere chitetezo cha ogwiritsa ntchito.
3. Kuthamanga kwa chitoliro chokhazikika ≥72Mpa, kuthamanga kwapaipi yotsika ≥2.5MPA