Polyurethane kutchinjiriza bolodi zinthu mu ndondomeko yeniyeni kupanga adzakhala zosiyanasiyana zosiyanasiyana kutchinjiriza ntchito, ndi nkhani imeneyi kupanga nthawi, tiyenera kumvetsa kwambiri ndondomeko yawo, pambuyo pa zonse, kumvetsa ndondomeko, kutithandiza kusankha bwino. ndi...
Werengani zambiri