Ubwino Wantchito
· Zowonjezera zambiri zama polyamides
· Kupititsa patsogolo kusungunula kwa ma polyamide
· Kupititsa patsogolo kutentha kwanthawi yayitali komanso kukhazikika kwazithunzi
· Kuthekera kowonjezera utoto, Kuwongolera kosavuta
· Kugwirizana kwakukulu ndi ma polima