Chogulitsacho chimatenga ukadaulo womwe uli ndi ufulu wodziyimira pawokha waluntha kwathunthu, njira yopangira ndi yapadera, kuwongolera kwaubwino kumakhala kovuta kwambiri.The mankhwala ali wapamwamba kubalalitsidwa, yopapatiza tinthu kugawa, sikuphatikizapo coarse tinthu, otsika zonyansa okhutira, chikasu kukana, UV kukana ndi makhalidwe ena.