Waya wamkuwa uli ndi magetsi abwino komanso matenthedwe otenthetsera, kukana kwa dzimbiri komanso makina opangira makina, amatha kuwotcherera ndikumangirira.Pokhala ndi zonyansa zocheperako zamagetsi ndi matenthedwe otenthetsera, kuwunika kwa okosijeni sikungakhudze mphamvu yamagetsi ndi matenthedwe komanso kukonza zinthu, koma zosavuta kuyambitsa "matenda a haidrojeni", sikuyenera kukhala kutentha kwambiri (monga> 370 ℃) pochepetsa kukonza mlengalenga. annealing, kuwotcherera, etc.) ndi ntchito.