Iphepha lefoyile ye-aluminiyam libhekisa kwiphepha elenziwe ngefoyile ye-aluminiyam exhasa iphepha kunye nephepha le-aluminiyam. Ithambile kwaye kulula ukuyikhubaza, njengephepha, kwaye ayiphindi ibuyele emva koguquko. Inokuba nomgangatho, uqinisekise shading, akukho kuwa, opaque, akukho ungcoliseko, ixabiso cheap. Isetyenziselwa ukupakishwa kobumanzi kunye nokuhombisa icuba eliphezulu, iilekese kunye nokunye ukutya.