1.Amaqokobhe endlebe eendlebe zemodeli yabucala.Inkangeleko entle kwaye intle, uyilo olutsha lwenkangeleko
I-2.I-design ye-ear, i-ear ear ihambelana ngokuqinileyo, ilula kwaye ikhululekile ukuyinxiba
I-3.Ucingo lwenziwe ngocingo lwe-TPE, oluguquguqukayo, oluzinzileyo, kwaye lunobomi obude benkonzo.
Iplagi ye-4.Metal, ukuhanjiswa kwesandi esigudileyo, ukumelana nokugqwala, ukumelana ne-oxidation, ukuchasana nokukhupha kunye nokuplaga ekusebenziseni imihla ngemihla.
5. Uyilo lweyunithi yesandi esizimeleyo, ukukhusela ukuphazamiseka kunye nokunciphisa ukuphazamiseka, kunye nesandi esicocekileyo