Iigiyeri zokujikeleza zibonelela ngokuchanekileyo ukuhanjiswa kwamandla e-angular ngokusebenza okugudileyo, okuzolileyo koomatshini bokusebenza okuphezulu. Amazinyo abo e-helical anciphisa ukungcangcazela, aphucule ukusebenza kwe-torque, kunye nokwandisa izixhobo zobomi, ukwenza zilungele iimoto, i-aerospace, ishishini, kunye nezicelo ezinzima.