Ka nts'etsopele ea mahlale a morao-rao le theknoloji, indasteri ea tšepe e le "skeleton" ea indasteri ea lefats'e, boemo ba eona bo ntse bo e-ba bohlokoa le ho feta, 'me litlhoko tsa boleng ba tšepe li thata haholoanyane, e leng e' ngoe ea litsela tse sebetsang tsa ho ntlafatsa boleng ba tšepe ea carburization desulfurization, khalsiamo e se nang seamless Solid Calcium Cored Wire e bapalang karolo ea bohlokoa haholo.