I-aluminium enombala (ikhoyili ye-aluminium enombala), i-aluminiyamu ye-polyester evalwe ngombala (ikhoyili ye-aluminium enombala), isetshenziswa kakhulu kumaphaneli e-aluminium ezinyosi, ophahleni lwe-aluminium, izindawo zophahla, nezinto ezisele. Ukusebenza kwayo kuzinzile futhi ayigqwali kalula. Uhlobo olusha lwezinto.