Uhlelo lokunisela olujikelezayo oluphakathi nendawo:eyaziwa nangokuthi umshini wokunisela ojikelezayo, umshini wokunisela ojikelezayo, umshini wokunisela ojikelezayo ophakathi nendawo, indilinga yokunisela, njll.
Kuyisifafazi esikhulu esisekela ipayipi elinekhanda lesifafazi esisesibhakeni esingahamba ngokuzenzakalelayo futhi sijikeleze iphuzu eliphakathi nohlelo lokuphakelwa kwamanzi ngenkathi sifafaza.