I-Z-LION icandelo lotolo oluphindwe kabiniizihlangu zokusila eziphathekayozizixhobo ezidumileyo zokulungiselela umphezulu kwishishini lokugudisa umgangatho wekhonkrithi.Isetyenziswa kakhulu ekususeni ukutyabeka, ukulinganisa umphezulu kunye nokusila okurhabaxa kwinkqubo yokugudisa umgangatho wekhonkrithi.Amacandelo ama-2 akwimilo yotolo enomjikelezo omkhulu ukuze kususwe ukutyabeka ngokufanelekileyo kwaye kusikwe kwiikhonkrithi ngokungqongqo.Iza nepleyiti yetrapezoid eqhelekileyo, inokuxhonywa kwiindidi ezahlukeneyo zokusila umgangatho ngemingxuma emi-3 kwipleyiti yetrapezoid.