Zopangira zazikuluzikulu ndi chingamu chamasamba achilengedwe ndi owuma, omwe amakhala osalala akamagwiritsidwa ntchito, okhala ndi mitundu yowala komanso yodzaza, kusintha pang'ono pazithunzi zonyowa ndi zowuma, zosalala komanso zosapindika, komanso zopanda formaldehyde.