Kufotokozera kwaifupi:

Kusintha kwapawiri kumagwiritsidwa ntchito kusintha pakati pa magwero awiri amphamvu. Lagawidwa m'magetsi wamba ndi magetsi oyimilira. Pamene magetsi wamba amathandizidwa, mphamvu yoyimilira imagwiritsidwa ntchito. Pamene magetsi wamba amatchedwa, magetsi wamba amabwezeretsedwa), ngati simukufuna kusintha kwangozi munthawi yapadera, mutha kuyimitsanso kusinthasintha (mtundu uwu wa Manual / Kugwiritsa Ntchito Mwamwambo).