Magetsi kanasonkhezereka waya ndi limodzi mwa magulu a chitsulo ambiri waya, ankagwiritsa ntchito, magetsi kanasonkhezereka waya ndi mtundu wa kanasonkhezereka waya mankhwala kukonzedwa ndi apamwamba otsika mpweya zitsulo waya, pambuyo kujambula akamaumba, pickling dzimbiri kuchotsa, kutentha annealing, otentha kanasonkhezereka. .Kuziziritsa ...
Werengani zambiri