Monga katswiri wotsimikiziridwa wotsimikizika wofatsa kwambiri komanso wokhazikika zipolopolo, timapereka njira zothetsera mavuto athu omwe ndi opanga ena. Njira yofanana ndi yomwe imafanana mmalo athu imapereka mitengo yokwanira yamphamvu komanso moyo wautali.