Lo mshini wekhompuyutha oshisayo wokunyathela nokusika umshini wokusika uyisizukulwane esisha semikhiqizo enembe kakhulu futhi eqanjwe kabusha.Isetshenziselwa kakhulu ukufaka isitembu esishisayo kuzo zonke izinhlobo zefoyili ye-aluminium enombala, cindezela i-concave ne-convex, futhi usike izimpawu zokuthengisa zezithombe ezihlukahlukene, ukukhangisa kwekhathalogi yomkhiqizo, amabhokisi, izincwadi, nekhava, kanye neminye imikhiqizo yokuhlobisa nokuphrinta.Imishini ephelele yokucubungula yezimboni zamapulasitiki, zokuphrinta, nezokupakisha.