Iimbonakalo
1 Ukhuseleko oluphezulu.Ngenxa yefilimu yangasemva, akukho ziqwenga ziya kuwela kwisibuko, emva koko zikhusele abantu ekulimaleni.
2 Umgangatho ophezulu kunye nokuqina.Isibuko sokhuseleko senziwe ngesibuko sesilivere esikumgangatho ophezulu, isibuko sesiliva esikhululekile sobhedu, isibuko esinombala kunye nesibuko se-aluminium.
3 Ukucamngca kokwenyani ngokugqwethekileyo.Ukusebenza okugqwesileyo kwe-optical yesibuko sokhuseleko.
4 Kulula ukusika kunye nokufaka.Isipili sokhuseleko sinokunqunyulwa ngokweemfuno.