Lero tikukweza zitsulo za malata.Chofolerera ife pa denga.makulidwe kuchokera 0.12mm kuti 0.8mm.Nthawi zambiri kukula kumakhala pambuyo pa malata 914,900,800,665.Timatumiza 0.12,0.13,0.14,0.15mm kumsika wa Africa.Takulandilani kuti mudzafunsidwe nthawi iliyonse.
Nthawi yotumiza: Dec-11-2019