Choyatsira mpweya chokhazikika, chomwe chimadziwikanso kuti choyatsira mpweya chosalephera, chapangidwira makamaka zoyatsira mpweya zazing'ono komanso zapakatikati. Chifukwa cha kukula kwake kochepa komanso kusinthasintha kwake, nthawi zambiri chimagwiritsidwa ntchito m'malo omwe ali ndi malo ochepa. Zoyatsira mpweya zokhazikika za Soloon zimapangidwa mwapadera kuti zigwiritsidwe ntchito mu machitidwe a HVAC okhala ndi torque yayitali (2nm mpaka 40nm) yoyenera mitundu yosiyanasiyana ya zoyatsira mpweya komanso kukula kosiyanasiyana.