Makina owotcherera a arc ozama ayenera kulumikizidwa ndi zida zoziziritsira madzi kuti aziziziritsa mfuti yowotcherera. Posachedwapa, tachezera a Liu, omwe ndi pulezidenti wa kampani yomwe ikugwira ntchito yowotcherera arc. Pafakitale ya Bambo Liu, tapeza kuti zoziziritsa kumadzi zingapo S&A za Teyu CW-5200 zimagwiritsidwa ntchito kuziziritsa mfuti yowotcherera yamakina akuya olowera arc. A Liu anena kuti ndi koyenera kugwiritsa ntchito S&A Teyu CW-5200 choziziritsa madzi poziziritsa mfuti yawo yowotcherera. Komanso pamene ikuchita bwino kwambiri, akufuna mgwirizano wabwino ndi S&A Teyu posachedwa. Bambo Lin omwe amayang'anira ntchito yogulitsa pambuyo pogulitsa S&A Teyu akuwonetsa kuti S&A Teyu pambuyo pogulitsa ntchito ndi yabwino kwambiri. Opaleshoni iliyonse yomwe mukukayikira imatha kuthetsedwa munthawi yake pakuyimbira foni. Tikumva othokoza chifukwa chokhulupirira makasitomala ndi kuzindikira kwa S&A Teyu.
