Kugwiritsa ntchito screw ya ma frequency osinthasintha
kompresa mpweyaukadaulo, liwiro la injini limasintha lokha malinga ndi kufunikira kwa mpweya weniweni, zomwe zimapangitsa kuti mphamvu zizigwira ntchito bwino komanso kuti mphamvu zisamawonongeke kwambiri mpaka
35%Ndi yoyenera makamaka pazochitika zomwe kufunikira kwa mpweya kumasintha pafupipafupi, monga kupanga mafakitale ndi kukonza magalimoto.