yakaoma poda, iyo inorganic yakachekwa neAl2o3 & Sio2 uye yakakosha organic pamusoro
Kuitirwa kuve nezvose zvakanaka zvinhu zvekushandisa uye zvakanakisa pigment zvivakwa. Zvigadzirwa zvinoratidza kuchena kwakanaka, simba guru, simba rakakura, kusimbisa kwakasimba, kwakasimba kurwisa, kukwirira kwemafuta, kwakanaka kwazvo
nyore kuparadzira mumhando dzakasiyana siyana.