1. Kodi ndingasinthe thumba la tiyi ulusi wa thumba la tiyi limatha kukhala lonyowa. Anzanu omwe amakonda kugwiritsa ntchito matumba a tiyi. Matumba a Tiyi, omwe amatchedwanso matumba a tiyi, monga dzinalo likutanthauza, ndi masamba a tiyi atakulungidwa mu pepala kapena nsalu, yomwe imatha kusungidwa kwa nthawi yayitali. Matumba a tiyi
"Takhumba" zakhala mu tiyi ndi khofi mabizinesi a khofi kwa zaka zambiri ndipo ali ndi luso lolemera mu tiyi ndi khofi wazaka zambiri. Timapereka imodzi - Imani Pa
Pulogalamu ya chikho cha chimanga ndi njira yatsopano komanso yosasunthika yosinthira khofi yomwe imayankhula ndi nkhawa. Tiyeni tidule zigawo zazikuluzikulu za lingaliroli.1, pla (polylactic acid): Pulo ndi biomegrad komanso koponi