1. Ukusebenzisa izinto ezintsha - lo mkhiqizo kungcono ukuthi ucutshungulwe ngezinto ezintsha, uyenqaba ukusebenzisa izinto zesibili, futhi uqinisekiswa kakhulu ukuthi uzosetshenziswa.
2 Udonga lwangaphakathi olubushelelezi - i-coefficient ephansi yokungqubuzana, ukungqubuzana okuncane kunamapayipi ensimbi
3 Ipayipi elijiyile - inqubo yokukhiqiza eqinile, impilo ende yesevisi kanye nekhwalithi ethembekile