I-aluminium trim yokuhombisa yinto eyahlukeneyo kunye nesitayile kwihlabathi lokwakha kunye noyilo lwangaphakathi. Le nto iyathandwa ngakumbi ngenxa yokuqina kwayo, ubunzima obulula, kunye nokubhena kobuhle. Inokuguqula iindawo eziqhelekileyo zibe zizinto ezingaqhelekanga, zinikezela zombini iinjongo zokusebenza kunye nokuhombisa. Enye yezibonelelo eziphambili zokuhombisa i-aluminium kukukwazi kwayo ukutyhila