Iphepha lefilimu lokudlulisa leMetallilizing yinto entsha ethole ukudonsa embonini yezokuphepha nokuvikela, ikakhulukazi endaweni yezixazululo zokulwa nokupakisha. Leli phepha elikhethekile lenzelwe ukudlulisa izimbobo zensimbi kuma-substrates, ukunika amandla ukwakhiwa kwemiphumela ebonakalayo engagcini nje ngokuthuthukisa ubuhle bomkhiqizo kepha futhi basebenza njengomphumela.