Kumodeli evamile, setha Amayunithi Okukhiphayo ukuze uthole ukulawula okuphumayo 1 no-2 ngaphambi kokukhweza Isilawuli.
Kumodeli ye-position-proportional, Iyunithi Yokukhipha Okudluliselweyo isivele isethiwe.Ngakho-ke, lo msebenzi wokusetha awudingeki.(Ungawashintshi amanye amayunithi okukhiphayo.)
Lapho usetha Amayunithi Okukhiphayo, khipha indlela yangaphakathi endlini bese ufaka Amayunithi Okukhiphayo kumasokhethi wokulawula okuphumayo 1 no-2.