Lawa ma-flanges anokumelana kahle nezixazululo ze-acid, i-nitric acid, i-phosfuric acid, njll. Ochwepheshe bethu bakhiqiza ama-flanges wensimbi yensimbi embaxambili enezindawo ezinhle kakhulu njengezakhiwo eziqinile, amandla aphezulu, ukuqina, ukuqina, ukukhiqizwa kokukhiqizwa, ukuqeda okuhle kakhulu kwempilo.