Zofunikira zamtundu wama welded, zinthu zowotcherera, ndi zolumikizira zowotcherera zili ndi mbali zambiri. Zimaphatikizapo zofunikira zamkati monga ntchito limodzi ndi bungwe. Nthawi yomweyo, payenera kukhala palibe cholakwika mu mawonekedwe, mawonekedwe, kukula kulondola, weld seam mapangidwe, pamwamba ndi int ...
Werengani zambiri