Dongan yopangidwa ndi chitsulo chokongoletsera, ndi mtundu wa zinthu zatsopano zotetezera nyumba ndi zokongoletsa kunja, zomwe zimakondedwa ndi omanga ambiri. Mkati mwake muli zinthu zosiyanasiyana zokhala ndi kuchuluka kwakukulu, monga pu, eps, pir ndi zina zotero. Pamwamba pake pali chitsulo chophimbidwa ndi AL-ZN. Ndipo kuti chiteteze moto, chitetezeke komanso chitetezeke, pansi pake pamakhala aluminiyamu, yomwe imagwira ntchito bwino kwambiri poteteza komanso chitetezeke.
