Isipiliyoni seminyaka engaphezu kwengu-16 sokukhiqiza isiphethu samaqabunga, imikhiqizo eqediwe ehlolwe Umshini Wokuhlola Ukuqina, Umshini Wokuhlunga we-Arc Height kanye Nomshini Wokuhlola Ukukhathala;Izinto ezingavuthiwe ezivela ezigayweni zensimbi ezi-3 eziphezulu, yonke imikhiqizo yenziwe ngebha yekhwalithi ephezulu, ukuze kuqinisekiswe ikhwalithi kusukela emthonjeni kuya ekugcineni.