Leneimea fa'a helicalsa fa'aaogaina le 'au i le fa'aitiitiga paneta.
Mea 16MnCr5, faʻatasi ai ma le vevela faʻafefeteina, maʻaʻa 57-62HRC.
O le fa'aitiitiga o mea fa'apapala e fa'aaogaina lautele i masini masini, New Energy ta'avale ma vaalele Air ma isi, fa'atasi ai ma le lautele o le fa'aitiitiga o mea fa'aoga ma le maualuga o le fa'aogaina o le eletise.