Ngokusebenzisa ukushintshwa kokudlulisa okuzenzakalelayo, uhlelo lokusingatha lungaqinisekisa ukunikezwa kwamandla okuzinzile, ukuxhumeka kwemishini nokuxhumana, ukuthuthukisa ukwethembeka kwesistimu, ukuzinza nokuphepha, nokuvikela idatha nokuqhubeka nokusebenza.