Leli kesi elikhulu lezimonyo lisetshenziselwa ukulayisha nokuhlela amathuluzi okwenza izimonyo nezimonyo. Inesikhala sangaphakathi esinengqondo, isakhiwo esiqinile, nokuvaleka kahle, okungagcina futhi kuvikele izimonyo ngendlela ephumelelayo ekushisweni kwe-oxidation, ukuhwamuka noma ukulimala. Ifakwe nesibuko, okwenza kube lula ukufaka izimonyo noma yikuphi.
Siyimboni enesipiliyoni seminyaka engu-15, esisebenza ngokukhethekile ekukhiqizeni imikhiqizo eyenziwe ngokwezifiso njengezikhwama zokwakheka, amakesi okwenza izimonyo, amakesi e-aluminium, amakesi endiza, njll.