Izici
Ukusika ucingo, imishini yokugaya, kanye nokugoba kuvame ukusetshenziselwa ukusika nokudonsa izintambo kubude obufunayo nesimo, bese kubagoba ku-shape oyifunayo.
Enye yezinzuzo ezisemqoka zokusebenzisa i-wire cutting, imishini yokugoqa, kanye nokugoba ukuthi zinganciphisa kakhulu inani lesikhathi nokusebenza okudingekayo ukudala amasistimu we-wiring ayinkimbinkimbi. Le mishini ijwayele ukulandela, okusho ukuthi ingasika ngokushesha nangokunembile izintambo ngaphandle kwesidingo sokuqashwa komuntu ngokucophelela.