zu
Ukuhlolwa kwesifutho sikawoti kuyinqubo ebalulekile evame ukwenziwa ngemikhiqizo ehlukahlukene ukuhlola ukumelana kwabo nokugqwala kuyo Izimo ezinzima. Le mikhiqizo ifaka izinto zensimbi, njengensimbi, i-aluminium, nama-alloys, kanye nokumbozwa kanye nokwelashwa komhlaba kusetshenziswe kuma-substrates ahlukahlukene.