Mfundo yodzitsekera yokha ya nati imadalira mphamvu yolimbana pakati pa nati ndi bawuti.Komabe, luso lodzitsekerali limatha kukhala lodalirika potengera katundu wokhazikika.Pofuna kuonetsetsa kuti mtedza ukhoza kutsekedwa mwamphamvu pakagwa mwadzidzidzi, njira zotsutsana ndi kumasula ziyenera kuchitidwa.Mtedza wotseka ndi njira yabwino yothetsera mtedza kuti usagwere.