Kuwotchera ndi gawo lofunika kwambiri pakugwiritsa ntchito makina opangira matako, komwe kuwongolera bwino kutentha ndi nthawi yotentha ndikofunikira kuti mukwaniritse ma welds apamwamba kwambiri. M'nkhaniyi, tiwona momwe makina owotcherera amatenthetsera matako, kufunikira kwake, ndi mawonekedwe ake ...
Werengani zambiri