Ukuze sivelise iimveliso ezikumgangatho ophezulu kunye nokuhlangabezana neemfuno zabathengi, singenise i-16 ezenzekelayo ngokupheleleyo, i-PE, imigca yokuvelisa amashiti e-extrusion, awona matshini aphambili ekhaya, amkela uyilo lokujija olwahlukileyo, ibhlokhi yokukrwitsha ehlengahlengisiweyo kunye...
Funda ngokugqithisileyo