Ngokusebenzisa amaswishi okudlulisa okuzenzakalelayo kumakheshi abagibeli, ukwethembeka nokuphepha kwamakheshi kungathuthukiswa.Ingaqinisekisa ukuthi ilifti iyaqhubeka nokusebenza ngokujwayelekile uma kwenzeka ukuphelelwa amandla noma ezinye izimo eziphuthumayo, iqinisekisa ukuphepha nokunethezeka kwabagibeli.Ngesikhathi esifanayo, ukushintshwa kokudlulisa okuzenzakalelayo nakho kungahlaba umkhosi ngesikhathi futhi kunikeze ukuxhumana okuphuthumayo, ukunikeza abagibeli ukuvikelwa kokuphepha okuphezulu.