Isingeniso kuFin die:

Fin die kungokwalabo uhlobo okuqhubekayo nginyathela die, nginyathela aluminiyamu strip ithusi strip insimbi engagqwali acid nokunye ku bobunjwa ahlukahlukene ngokunemba isikhunta, imikhiqizo ekhiqizwa yi-die die isetshenziswa kakhulu emafrijini ukupholisa umkhakha.