Olu chungechunge lweemveliso luneentlobo ezimbini: i-rollover kunye ne-backward rollover;ilungele ukuthuthwa kwempahla eninzi ephakathi/emfutshane enjengamalahle, imigodi, isanti kunye negrabile, enokuphucula ngokufanelekileyo ukulayishwa kunye nokuthuthwa kunye nomthamo wokuthutha, kwaye ukuthuthwa kukulungele, ukuguquguquka nokukhawuleza, kwaye kunokudibana neendlela ezahlukeneyo. iimeko kunye nesidingo sokulayisha kunye nokothula