Pedzisa mutsara unotevera nesarudzo yakanakisisa: Kuti ubvise sikuruu pabhodhi,  Zvaunogona kuita: - isa muromo wechivharuvhu muchikamu chepamusoro chechivharuvhu uye tenderera nenzira inoratidza nguva yeawa - isa muromo we screwdriver muchikamu chepamusoro chechivharo uye tenderera uchipesana nekona yewachi  Mhinduro:
nzvimbo muromo screwdriver kupinda pamusoro sikuruwa uye tenderera ari counter clockwise mirayiridzo